CN101711552A - Breeding method of feeding non-protective amino acid to early-weaning lambs, feedstuff and preparation method thereof - Google Patents
Breeding method of feeding non-protective amino acid to early-weaning lambs, feedstuff and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a breeding method of feeding non-protective amino acid to early-weaning lambs, feedstuff and a preparation method thereof. The breeding method is realized in a way as follows: starting to feed the non-protective amino acid feedstuff for early-weaning lambs to the lambs after early weaning. The invention changes the traditional concept and breeding method for early-weaning lambs without consideration on the amino acid nutrients. The method of feeding non-protective amino acid to early-weaning lambs can greatly (about 20%) enhance the growth rate of early-weaning fat lambs, and obviously increase the daily gain, carcass weight, meat weight, lean meat weight and lean meat percentage of lambs, thereby proving that the method of directly feeding non-protective amino acid to early-weaning lambs is a simple and effective breeding method for enhancing the lamb productivity. The invention is not only suitable for lambs, but also suitable for oxen, deer, camels and other young ruminant animals.
Description
Technical field
The present invention relates to the technical field that the early weaning lamb is raised, is method for breeding and culturing feed (being the culturing feed that the early weaning lamb is added feeding non-protective amino acid) and the compound method thereof that a kind of early weaning lamb is added feeding non-protective amino acid.
Background technology
Early weaning is the importance that improves the meat prouctiveness, the one, because after the cub wean, dam just can be used for the breeding of next round, early weaning is to improve one of important method of breeding potential; The 2nd, breast milk is for the bigger cub of cub, particularly age in days, and its quantity and nutrient all differ and satisfy the nutritional need of cub growth surely, and having only provides corresponding nutritional labeling could guarantee that cub full out grows extraly.Now, lamb generally all be wean in two, three months (Wang Jinwen. the sheep prime lamb is produced. the China Agricultyre University Press, Beijing: 2008), calf wean in general two months, relative so long lactation, obviously improved cost, also effective utilization of the incompatible ewe reproductive characteristic of throughout the year oestrusing also might not given full play to the growth potential of ruminating cub.At present relatively the lamb early weaning time of approval be 42 ages in days (Yin Changan. the drylot feeding mutton sheep. China Agricultyre University Press, Beijing: 2005).Yet,, all to then provide the nutrition that can fully satisfy growth needs to animal no matter when wean.Therefore, develop the farming district meat calf of intensification and the lamb mode of production, improve the productivity of ruminating cub, need carry out the digestion growth of newborn cattle and sheep, particularly early weaning cattle and sheep and the research of nutritional need.
In animal produces, add generally for chicken, pig and feed amino acid, particularly lysine and methionine, to improve the production performance of animal.In fact for the nutritional need of ruminating the cub growth, most important equally also is gal4 amino acid nutrition, does not give the research and the practice of ruminating cub but almost the important amino acid (being non-protective amino acid) of unprocessed or protection is fed all the time.The one, grow comparatively fast because ruminate the digestive function of cub, closely related with age in days, required age in days of zoologizeing to be had relatively high expectations, study condition is difficult for satisfying; The 2nd, general Study person thinks because the ruminal digestion metabolism of ruminant domestic animals such as cattle and sheep, adding the non-protective amino acid of feeding can decompose in cud in a large number, do not arrive metenteron, thereby can not be absorbed by animal, thereby think that supplementary feeding high-quality protein or non-protective amino acid do not have significance; The 3rd, because common 3～4 monthly ages of lamb just wean in the past; thereby the researcher will ruminate cub and be equal to adults and considered on subconsciousness; paid close attention to the amino acid nutrient problem; even add hello amino acid to cattle and sheep; for the digestion and metabolism that prevents ruminant tumor gastric is also just fed the amino acid of giving through specially treated (being protective amino acid); but as metabolic defence methionine (Klemesrudet al; 2000a; Klemesrud et al; 2000b); (Wang Jianhuas such as ruminally-protected lysine with polymer bag quilt; Wang Hongrong; Zhang Haiying; Deng. the ruminally-protected acidic amino acid is to the influence [J] of Inner Mongolia White Cashmere Goat nitrogen digestion and metabolism. journal of animal science and veterinary medicine, 2006,37 (1): 38～43).
Openly do not report and still have at present the research data or the data of ruminating the amino acid nutrient aspect of cub after relevant different days, the particularly early weaning.
Summary of the invention
The invention provides a kind of early weaning lamb and add method for breeding and the culturing feed and the compound method thereof of feeding non-protective amino acid; above-mentioned the deficiencies in the prior art have been overcome; the present invention has changed traditional concept and the method for breeding that the early weaning lamb is not had considered amino acid nutrition; add the speed of growth that the feeding non-protective amino acid method for breeding can improve the early weaning fattening lamb significantly by early weaning lamb of the present invention, and lamb daily gain, carcass weight, meat weight, lean meat weight and lean meat percentage all are significantly improved.
One of technical scheme of the present invention realizes by following measure: a kind of early weaning lamb is added the culturing feed of feeding non-protective amino acid, and it presses parts by weight of raw materials by 4.5 parts to 5.5 parts of milk powder; 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; betaine consists of the culturing feed that number one early weaning lamb is added feeding non-protective amino acid for 0.7 part to 0.9 part.
Two of technical scheme of the present invention realizes by following measure: a kind of early weaning lamb is added the culturing feed of feeding non-protective amino acid, its by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 4.5 parts to 5.5 parts of maize straws; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; 0.5 part to 0.7 part of betaine consists of the culturing feed that No. second early weaning lamb added feeding non-protective amino acid.
Three of technical scheme of the present invention realizes by following measure: a kind of early weaning lamb is added the culturing feed of feeding non-protective amino acid, its by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 18 parts to 22 parts of the cotton benevolence dregs of rice; 5 parts to 7 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 14 parts to 18 parts of maize straws; 1.3 parts to 1.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.7 part to 0.9 part of non-protective lysine; 0.3 part to 0.5 part of betaine consists of the culturing feed that No. three early weaning lamb added feeding non-protective amino acid.
Four of technical scheme of the present invention realizes by following measure: a kind of early weaning lamb is added the culturing feed of feeding non-protective amino acid, its by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 9.5 parts to 11.5 parts of the cotton benevolence dregs of rice; 2.5 parts to 3.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 28 parts to 35 parts of maize straws; 0.43 part to 0.53 part in urea; 1.2 parts to 1.4 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.3 part to 0.5 part of non-protective lysine; 0.1 part to 0.3 part of betaine consists of the culturing feed that No. four early weaning lamb added feeding non-protective amino acid.
Five of technical scheme of the present invention realizes by following measure: the compound method that a kind of above-mentioned early weaning lamb is added the culturing feed of feeding non-protective amino acid; it is undertaken by following step: elder generation is with the milk powder of requirement; corn flour; the cotton benevolence dregs of rice; soy bean powder; urea; stone flour; fish meal; crude salt; vitamin/trace mineral supplement; sodium sulphate; non-protective lysine; the non-protective methionine; betaine mixes, and the maize straw that adds the pulverizing of requirement again mixes and promptly gets the culturing feed that the early weaning lamb is added feeding non-protective amino acid.
Six of technical scheme of the present invention realizes by following measure: the compound method that a kind of above-mentioned early weaning lamb is added the culturing feed of feeding non-protective amino acid, it is undertaken by following step: milk powder, corn flour, the cotton benevolence dregs of rice, soy bean powder, the maize straw of pulverizing, urea, stone flour, fish meal, crude salt, vitamin/trace mineral supplement, sodium sulphate, non-protective lysine, non-protective methionine, the betaine of requirement mixed promptly get the culturing feed that the early weaning lamb is added feeding non-protective amino acid.
Seven of technical scheme of the present invention realizes by following measure: a kind of early weaning lamb that utilizes above-mentioned early weaning lamb to add the culturing feed of feeding non-protective amino acid is added the method for breeding of feeding non-protective amino acid, it is undertaken by following step: begin to add after lamb wean and feed the culturing feed that this early weaning lamb is added feeding non-protective amino acid, the step of culturing feed that the early weaning lamb of specifically feeding is added feeding non-protective amino acid is as follows: 150 grams of feeding add the culturing feed of feeding non-protective amino acid every day to the number one early weaning lambs of 473 grams during 22 days to 40 days at the lamb age in days; 481 grams to No. second early weaning lambs of 797 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 41 days to 80 days at the lamb age in days; 804 grams to No. three early weaning lambs of 1096 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 81 days to 120 days at the lamb age in days; 1099 grams to No. four early weaning lambs of 1773 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 121 days to 240 days at the lamb age in days.
Eight of technical scheme of the present invention realizes by following measure: a kind of culturing feed that utilizes above-mentioned early weaning lamb to add feeding non-protective amino acid is applied in the early weaning lamb to be added in the method for breeding of feeding non-protective amino acid.
Nine of technical scheme of the present invention realizes by following measure: the feed that contains the essential amino acid of handling without any special protection (the being non-protective amino acid) application in the lamb method for breeding of weaning in early days.
Technique effect of the present invention: the present invention has changed traditional concept and the method for breeding that the early weaning lamb is not had considered amino acid nutrition; add the speed of growth that the feeding non-protective amino acid method for breeding can improve the early weaning fattening lamb significantly (about 20%) by early weaning lamb of the present invention; and lamb daily gain, carcass weight, meat weight, lean meat weight and lean meat percentage all are significantly improved; thereby proof adds feeding non-protective lysine directly for the lamb after the early weaning, is a kind of simply and effectively method for breeding that improves the lamb production performance.Simultaneously because the lamb wean early, thereby helps the breeding of dam next round, thereby improved breeding potential.Except that lamb, because ruminants such as ox, deer, camel all have cud, their digestive characteristic is also all identical, so the present invention is equally applicable to ox, deer, camel etc., and other ruminates cub.
The specific embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Embodiment 1, and this early weaning lamb is added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid and presses parts by weight of raw materials by 4.5 parts to 5.5 parts of milk powder; 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; betaine consists of number one early weaning lamb for 0.7 part to 0.9 part and adds the culturing feed of feeding non-protective amino acid (being daily ration of the present invention).
Embodiment 2, the culturing feed (being daily ration of the present invention) that this early weaning lamb is added feeding non-protective amino acid by parts by weight of raw materials by 4.5 parts of milk powder or 5.5 parts; 60 parts or 75 parts of corn flour; 20 parts or 30 parts of the cotton benevolence dregs of rice; 6.5 parts or 8.5 parts of soy bean powders; 2.5 parts or 3.5 parts of stone flours; 0.09 part or 0.11 part of fish meal; 0.4 part or 0.5 part of crude salt; 0.02 part or 0.03 part of vitamin/trace mineral supplement; 0.3 part or 0.5 part in sodium sulphate; 1.1 parts or 1.3 parts of non-protective lysines; 0.03 part or 0.04 part of non-protective methionine; betaine consists of number one early weaning lamb for 0.7 part or 0.9 part and adds the culturing feed of feeding non-protective amino acid (being daily ration of the present invention).
Embodiment 3, and this early weaning lamb is added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid and presses parts by weight of raw materials by 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 4.5 parts to 5.5 parts of maize straws; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; 0.5 part to 0.7 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. second early weaning lamb added feeding non-protective amino acid.
Embodiment 4, the culturing feed (being daily ration of the present invention) that this early weaning lamb is added feeding non-protective amino acid by parts by weight of raw materials by 60 parts of corn flour or 75 parts; 20 parts or 30 parts of the cotton benevolence dregs of rice; 6.5 parts or 8.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 4.5 parts or 5.5 parts of maize straws; 2.5 parts or 3.5 parts of stone flours; 0.09 part or 0.11 part of fish meal; 0.4 part or 0.5 part of crude salt; 0.02 part or 0.03 part of vitamin/trace mineral supplement; 0.3 part or 0.5 part in sodium sulphate; 1.1 parts or 1.3 parts of non-protective lysines; 0.03 part or 0.04 part of non-protective methionine; 0.5 part or 0.7 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. second early weaning lamb added feeding non-protective amino acid.
Embodiment 5, and this early weaning lamb is added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid and presses parts by weight of raw materials by 60 parts to 75 parts of corn flour; 18 parts to 22 parts of the cotton benevolence dregs of rice; 5 parts to 7 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 14 parts to 18 parts of maize straws; 1.3 parts to 1.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.7 part to 0.9 part of non-protective lysine; 0.3 part to 0.5 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. three early weaning lamb added feeding non-protective amino acid.
Embodiment 6, the culturing feed (being daily ration of the present invention) that this early weaning lamb is added feeding non-protective amino acid by parts by weight of raw materials by 60 parts of corn flour or 75 parts; 18 parts or 22 parts of the cotton benevolence dregs of rice; 5 parts or 7 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 14 parts or 18 parts of maize straws; 1.3 parts or 1.5 parts of stone flours; 0.09 part or 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part or 0.5 part in sodium sulphate; 0.7 part or 0.9 part of non-protective lysine; 0.3 part or 0.5 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. three early weaning lamb added feeding non-protective amino acid.
Embodiment 7, and this early weaning lamb is added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid and presses parts by weight of raw materials by 60 parts to 75 parts of corn flour; 9.5 parts to 11.5 parts of the cotton benevolence dregs of rice; 2.5 parts to 3.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 28 parts to 35 parts of maize straws; 0.43 part to 0.53 part in urea; 1.2 parts to 1.4 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.3 part to 0.5 part of non-protective lysine; 0.1 part to 0.3 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. four early weaning lamb added feeding non-protective amino acid.
Embodiment 8, the culturing feed (being daily ration of the present invention) that this early weaning lamb is added feeding non-protective amino acid by parts by weight of raw materials by 60 parts of corn flour or 75 parts; 9.5 parts or 11.5 parts of the cotton benevolence dregs of rice; 2.5 parts or 3.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 28 parts or 35 parts of maize straws; 0.43 part or 0.53 part in urea; 1.2 parts or 1.4 parts of stone flours; 0.09 part or 0.11 part of fish meal; 0.4 part or 0.5 part of crude salt; 0.02 part or 0.03 part of vitamin/trace mineral supplement; 0.3 part or 0.5 part in sodium sulphate; 0.3 part or 0.5 part of non-protective lysine; 0.1 part or 0.3 part of betaine consists of the culturing feed (being daily ration of the present invention) that No. four early weaning lamb added feeding non-protective amino acid.
Embodiment 9; the culturing feed (being daily ration of the present invention) that the early weaning lamb of the foregoing description 1 to 8 is added feeding non-protective amino acid obtains by following compound method: elder generation is with the milk powder of requirement; corn flour; the cotton benevolence dregs of rice; soy bean powder; urea; stone flour; fish meal; crude salt; vitamin/trace mineral supplement; sodium sulphate; non-protective lysine; the non-protective methionine; betaine mixes, and the maize straw that adds the pulverizing of requirement again mixes and promptly gets the early weaning lamb and add the culturing feed of feeding non-protective amino acid (being daily ration of the present invention).
Embodiment 10, and the early weaning lamb of the foregoing description 1 to 8 is added the culturing feed of feeding non-protective amino acid (being daily ration of the present invention) and obtains by following compound method: with milk powder, corn flour, the cotton benevolence dregs of rice, the soy bean powder of requirement, be ground into 2 centimetres to 4 centimetres maize straw, urea, stone flour, fish meal, crude salt, vitamin/trace mineral supplement, sodium sulphate, non-protective lysine, non-protective methionine, betaine and mix and promptly get the early weaning lamb and add the culturing feed of feeding non-protective amino acid (being daily ration of the present invention).
Embodiment 11, the method for breeding that this early weaning lamb is added feeding non-protective amino acid is to be undertaken by following step: begin to add after lamb wean and feed the culturing feed that this early weaning lamb is added feeding non-protective amino acid, the culturing feed step that the early weaning lamb of specifically feeding is added feeding non-protective amino acid is as follows: 150 grams of feeding add the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day to the number one early weaning lambs of 473 grams during 22 days to 40 days at the lamb age in days; 481 grams to No. second early weaning lambs of 797 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 41 days to 80 days at the lamb age in days; 804 grams to No. three early weaning lambs of 1096 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 81 days to 120 days at the lamb age in days; 1099 grams to No. four early weaning lambs of 1773 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 121 days to 240 days at the lamb age in days.
Embodiment 12, and the method for breeding that this early weaning lamb is added feeding non-protective amino acid is to be undertaken by following step: 150 grams to the number one early weaning lambs of 473 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 22 days to 40 days at the lamb age in days; 481 grams to No. second early weaning lambs of 797 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 41 days to 80 days at the lamb age in days; 804 grams to No. three early weaning lambs of 1096 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 81 days to 120 days at the lamb age in days; 1099 grams to No. four early weaning lambs of 1773 grams of feeding are added the culturing feed (being daily ration of the present invention) of feeding non-protective amino acid every day during 121 days to 240 days at the lamb age in days.
In the present invention: vitamin and trace mineral supplement are to meet the formulated product of U.S. NRC lamb feeding standard (1985), both can oneself prepare to obtain also can buying from the market obtaining.% is weight percentage.
Be technique effect test of the present invention below:
Test one, add of the influence of feeding non-protective lysine lamb free choice feeding amount
Add and feed the influence of various dose non-protective lysine to lamb free choice feeding amount (that is: the feed of feeding every day; except that adding non-protective lysine dosage (Lys) difference of feeding; other raw material and the amount of feeding thereof are all identical, under these circumstances, and to the influence of lamb free choice feeding amount).Choose speed of weight increment 60～80 ages in days and have the lamb of 120～140 age in days age brackets of higher digestion power to test faster according to the growth of lamb digestive function, to be reflected in the effect of adding feeding non-protective lysine under different days, the different daily ration condition to maize straw.
The free choice feeding amount refers to feeding under enough daily ration conditions the day flow vector that animal can eat.The high productivity of high feed intake and animal can be proportionate.The daily ration feed intake is general to be represented with the amount of dry matter or the organic matter amount of searching for food.Dry other material exceptionally that in a few days dewaters in the grain, organic matter be other material except that moisture and mineral matter in the grain in a few days.
Concrete feed intake and add feeding non-protective lysine after the influence of 60～80 ages in days and 120～140 days old lamb feed intakes is seen Table 1.Two the phase lamb feed intake adding of the non-protective lysine amount of feeding be respectively 1.2% and 0.4% o'clock for the highest.The dry of 60～80 days old lambs and the comparison of organic matter feed intake are according to having increased by 10.5% and 5.9% respectively; The dry of 120～140 days old lambs and the comparison of organic matter feed intake are according to all having increased by 15.0%.
Test two, add of the influence of feeding non-protective lysine lamb daily ration digestibility
Add and feed the influence of various dose non-protective lysine to lamb daily ration digestibility (that is: the feed of feeding every day; except that adding non-protective lysine dosage (Lys) difference of feeding; other raw material and the amount of feeding thereof are all identical, under these circumstances, and to the influence of lamb daily ration digestibility).Choose speed of weight increment 60～80 ages in days and have the lamb of 120～140 age in days age brackets of higher digestion power to test faster according to the growth of lamb digestive function, to be reflected in the effect of adding feeding non-protective lysine under different days, the different daily ration condition to maize straw.
The daily ration digestibility refers to the daily ration ratio that quilt is digested and assimilated in alimentary canal that animal searches for food, the digestion of daily ration generally represents that with the digestion of nutriment such as dry, organic matter, crude protein etc. computational methods are under the prerequisite of not considering endogenous influence: the digestibility of certain nutriment=(discharging certain nutrients quality in certain nutrients quality-excrement of searching for food)/certain nutrients quality of searching for food.
The daily ration digestibility of 60～80 days old lambs is all fed increase (table 2) with adding of non-protective lysine; but amplitude is little, and the digestibility of dry, organic matter, crude protein, cellulose, hemicellulose, energy, calcium and phosphorus and contrast ratio are maximum has increased by 2.1% (P＞0.05), 4.1% (P＜0.01), 3.1% (P＞0.05), 4.1% (P＞0.05), 6.9% (P＜0.01), 3.0% (P＜0.01), 6.1% (P＞0.05) and 4.0% (P＞0.05) respectively.Take temperature from the interpolation of varying level, effect was better relatively in 1.2% o'clock.
For 120～140 days old lambs, just the digestibility to daily ration influences (table 3) to some extent when 0.4% addition, but amplitude is also little, and the digestibility of its dry, organic matter, crude protein, cellulose, hemicellulose and energy has improved 3.5 (P＞0.0), 3.9% (P＞0.05), 4% (P＜0.01), 7.5% (P＞0.05), 1.5% (P＞0.05), 3.3% (P＜0.01) respectively.
Test three, add of the influence of feeding non-protective lysine lamb daily ration digestion amount
Add and feed the influence of various dose non-protective lysine to lamb daily ration digestion amount (that is: the feed of feeding every day; except that adding non-protective lysine dosage (Lys) difference of feeding; other raw material and the amount of feeding thereof are all identical, under these circumstances, and to the influence of lamb daily ration digestion amount).Choose speed of weight increment 60～80 ages in days and have the lamb of 120～140 age in days age brackets of higher digestion power to test faster according to the growth of lamb digestive function, to be reflected in the effect of adding feeding non-protective lysine under different days, the different daily ration condition to maize straw.
Daily ration digestion amount refers to the daily ration amount that quilt is digested and assimilated in alimentary canal that animal searches for food, the digestion of daily ration generally represents that with the digestion of nutriment such as dry, organic matter, crude protein etc. computational methods are under the prerequisite of not considering endogenous influence: discharge certain nutrients quality in the digestion amount of certain nutriment=certain nutrients quality-excrement of searching for food.
Test shows; add feeding non-protective lysine and can improve the daily ration digestion amount (table 4) of 60～80 days old lambs; but effect is more obvious when adding 1.2% level of feeding, and wherein the digestion amount of dry, organic matter, crude protein, cellulose, hemicellulose, digestible energy and calcium has increased by 8.2% (P＜0.05), 10.3% (P＜0.01), 14.8% (P＜0.05), 10.8% (P＞0.05), 13.2% (P＜0.01), 9.0% (P＜0.05) and 12.4% (P＜0.05) than control group respectively.And add the amount of feeding when continuing to be increased to 1.8% when non-protective lysine, the digestion amount of daily ration then is tending towards descending.
As shown in table 5; add for 120～140 days old lambs and feed varying level non-protective lysine; can improve the digestion amount of daily ration equally; especially when adding 0.4% level of feeding, the digestion amount of dry, organic matter, crude protein, cellulose, hemicellulose, digestible energy, calcium and phosphorus has increased by 19.1% (P＜0.01), 16.8% (P＜0.01), 22.9% (P＜0.01), 24.0% (P＜0.01), 16.8% (P＜0.01), 18.8% (P＜0.01), 16.8% (P＜0.05) and 13.4% (P＜0.05) respectively.
Test four, add feeding non-protective lysine the retention rate (amount) of lamb nitrogen, phosphorus and calcium and the influence of energy digestion
Add and feed the reservation amount of various dose non-protective lysine to lamb nitrogen, phosphorus and calcium and the influence of energy digestion (that is: the feed of feeding every day; except that adding non-protective lysine dosage (Lys) difference of feeding; other raw material and the amount of feeding thereof are all identical; under these circumstances, to the reservation amount of lamb nitrogen, phosphorus and calcium and the influence of energy digestion).Choose speed of weight increment 60～80 ages in days and have the lamb of 120～140 age in days age brackets of higher digestion power to test faster according to the growth of lamb digestive function, to be reflected in the effect of adding feeding non-protective lysine under different days, the different daily ration condition to maize straw.
The reservation amount of certain nutriment refers generally to the amount that animal eats and deduct the amount that it is discharged from excrement and urine, and the reservation amount is many more, and accumulate in animal body just many more be describeds.Retention rate refers to that then the reservation amount accounts for the ratio of the amount of eating, and retention rate is high more, illustrates that animal is just high more to the utilization rate of daily ration.
Add feeding non-protective lysine the influence of 60～80 days old lamb Nutrition and Metabolisms is seen Table 6.Add feeding non-protective lysine and make the nitrogen intake of lamb increase by 8～9% (P＜0.01), but the fecal nitrogen discharge rate is not had obvious influence, and the urinary nitrogen amount of discharging is added the level of feeding 1.2% and 1.8%, be less than or equal to the discharge rate of control group.Add feeding non-protective lysine and significantly increase nitrogen reservation amount and the retention rate of animal, when 1.2% adds the level of feeding,, increased by 35.8% (P＜0.05) and 22.0% (P＜0.05) than control group respectively for the highest.
The digestible energy that lamb obtains is also fed with adding of non-protective lysine to be increased, and feeds at 1.2% o'clock for the highest adding, and has increased by 9% (P＜0.01).
As shown in table 7; add for 120～140 days old lambs and feed varying level non-protective lysine; nitrogen reservation amount and retention rate all add the amount raising of feeding with non-protective lysine and increase; the interpolation level be 0.4% o'clock for the highest, comparison is according to improving 32.8% (P＜0.05) and 12.5% (P＜0.01) respectively.Digestible energy also be the interpolation level be 0.4% o'clock the highest, be 18.7% (P＜0.01).The reservation amount difference of calcium phosphorus is remarkable (P＞0.05) not.
Test five, the present invention are to butchering the influence of lamb carcase quality
Early weaning lamb of the present invention is added the method for breeding of feeding non-protective amino acid and is not added the test of feeding the influence of amino acid control group method for breeding to butchering the lamb carcase quality
Subjects: cold sheep of little tail and acerous pottery Saite hybrid lamb.
Lamb is that full drylot feeding is fed, and early respectively feeds once about 8:00 and about late 18:00.Free choice feeding is freely drunk water.
Control group: do not add and feed amino acid control group method for breeding.In not adding hello amino acid control group method for breeding, the feed of control group is meant: except that amino acid starting material did not add, other raw material was formed identical.
Of the present invention group: early weaning lamb of the present invention is added the method for breeding of feeding non-protective amino acid.
Of the present invention group is with the control group difference: non-protective lysine that adds to have fed requirement on the basis of control group daily ration and non-protective methionine.
As can be seen from Table 8, compare with control group, of the present invention group lamb weight, carcass weight, meat weight, lean meat weigh and lean meat percentage all is significantly improved (P＜0.01), and the heavy no significant difference (P＞0.05) of fat meat sees table 1 for details.
Four kinds of early weaning lambs that the present invention prepares to add non-protective amino acid are added the culturing feed of feeding non-protective amino acid; in order to early weaning lamb 22 age in days to 240 ages in days of feeding; the result shows; the nitrogen that can increase lamb significantly keeps and the raising body weight gains (about 20%); lamb daily gain, carcass weight, meat weight, lean meat weight and lean meat percentage all are significantly improved; thereby proof adds feeding non-protective amino acid directly for postnatal lamb, is a kind of simply and effectively method for breeding that improves the lamb production performance.
Claims (9)
1. an early weaning lamb is added the culturing feed of feeding non-protective amino acid, it is characterized in that by parts by weight of raw materials by 4.5 parts to 5.5 parts of milk powder; 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; betaine consists of the culturing feed that number one early weaning lamb is added feeding non-protective amino acid for 0.7 part to 0.9 part.
2. an early weaning lamb is added the culturing feed of feeding non-protective amino acid, it is characterized in that by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 20 parts to 30 parts of the cotton benevolence dregs of rice; 6.5 parts to 8.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 4.5 parts to 5.5 parts of maize straws; 2.5 parts to 3.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 1.1 parts to 1.3 parts of non-protective lysines; 0.03 part to 0.04 part of non-protective methionine; 0.5 part to 0.7 part of betaine consists of the culturing feed that No. second early weaning lamb added feeding non-protective amino acid.
3. an early weaning lamb is added the culturing feed of feeding non-protective amino acid, it is characterized in that by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 18 parts to 22 parts of the cotton benevolence dregs of rice; 5 parts to 7 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 14 parts to 18 parts of maize straws; 1.3 parts to 1.5 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.7 part to 0.9 part of non-protective lysine; 0.3 part to 0.5 part of betaine consists of the culturing feed that No. three early weaning lamb added feeding non-protective amino acid.
4. an early weaning lamb is added the culturing feed of feeding non-protective amino acid, it is characterized in that by parts by weight of raw materials by 60 parts to 75 parts of corn flour; 9.5 parts to 11.5 parts of the cotton benevolence dregs of rice; 2.5 parts to 3.5 parts of soy bean powders; be ground into 2 centimetres to 4 centimetres 28 parts to 35 parts of maize straws; 0.43 part to 0.53 part in urea; 1.2 parts to 1.4 parts of stone flours; 0.09 part to 0.11 part of fish meal; 0.4 part to 0.5 part of crude salt; 0.02 part to 0.03 part of vitamin/trace mineral supplement; 0.3 part to 0.5 part in sodium sulphate; 0.3 part to 0.5 part of non-protective lysine; 0.1 part to 0.3 part of betaine consists of the culturing feed that No. four early weaning lamb added feeding non-protective amino acid.
5. compound method of adding the culturing feed of feeding non-protective amino acid according to claim 1 or 2 or 3 or 4 described early weaning lambs; it is characterized in that being undertaken by following step: milk powder, corn flour, the cotton benevolence dregs of rice, soy bean powder, urea, stone flour, fish meal, crude salt, vitamin/trace mineral supplement, sodium sulphate, non-protective lysine, non-protective methionine, the betaine with requirement mixes earlier, and the maize straw that adds the pulverizing of requirement again mixes and promptly gets the culturing feed that the early weaning lamb is added feeding non-protective amino acid.
6. compound method of adding the culturing feed of feeding non-protective amino acid according to claim 1 or 2 or 3 or 4 described early weaning lambs is characterized in that being undertaken by following step: milk powder, corn flour, the cotton benevolence dregs of rice, soy bean powder, the maize straw of pulverizing, urea, stone flour, fish meal, crude salt, vitamin/trace mineral supplement, sodium sulphate, non-protective lysine, non-protective methionine, the betaine of requirement mixed promptly get the culturing feed that the early weaning lamb is added feeding non-protective amino acid.
7. an early weaning lamb that utilizes claim 1 or 2 or 3 or 4 described early weaning lambs to add the culturing feed of feeding non-protective amino acid is added the method for breeding of feeding non-protective amino acid, it is characterized in that being undertaken by following step: begin to add after lamb wean and feed the culturing feed that this early weaning lamb is added feeding non-protective amino acid, the step of culturing feed that the early weaning lamb of specifically feeding is added feeding non-protective amino acid is as follows: 150 grams of feeding add the culturing feed of feeding non-protective amino acid every day to the number one early weaning lambs of 473 grams during 22 days to 40 days at the lamb age in days; 481 grams to No. second early weaning lambs of 797 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 41 days to 80 days at the lamb age in days; 804 grams to No. three early weaning lambs of 1096 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 81 days to 120 days at the lamb age in days; 1099 grams to No. four early weaning lambs of 1773 grams of feeding are added the culturing feed of feeding non-protective amino acid every day during 121 days to 240 days at the lamb age in days.
8. a culturing feed that utilizes claim 1 or 2 or 3 or 4 described early weaning lambs to add feeding non-protective amino acid is applied in the early weaning lamb and adds in the method for breeding of feeding non-protective amino acid.
9. the feed that contains the essential amino acid of handling without any special protection application in the lamb method for breeding of weaning in early days.
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