CN114271393A - Feed additive for improving heat stress resistance of fattening pigs and application thereof - Google Patents
Feed additive for improving heat stress resistance of fattening pigs and application thereof Download PDFInfo
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- CN114271393A CN114271393A CN202111673176.XA CN202111673176A CN114271393A CN 114271393 A CN114271393 A CN 114271393A CN 202111673176 A CN202111673176 A CN 202111673176A CN 114271393 A CN114271393 A CN 114271393A
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- heat stress
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- feed
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- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 235000021118 plant-derived protein Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 208000024896 potassium deficiency disease Diseases 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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- 230000028327 secretion Effects 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000004455 soybean meal Substances 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention provides a feed additive for improving heat stress resistance of fattening pigs and application thereof, and relates to the technical field of feed additives. The feed additive contains the following components in 1 kg: 50-350g of glucose, 20-80g of vitamin C, 10-100g of vitamin E, 10-90g of compound B vitamins, 2-15g of chromium picolinate, 100-containing sodium bicarbonate, 5-10g of potassium chloride, 100-containing citric acid, 1-5g of yeast selenium, 1-9g of betaine, 100-containing fat powder, 400g of compound Chinese herbal medicines and the balance of carriers. According to the application, the components are compounded, so that the daily gain and feed intake of the fattening pig can be obviously improved, the feed conversion ratio is reduced, and the heat stress resistance of the fattening pig is improved under the heat stress condition.
Description
Technical Field
The invention relates to the technical field of feed additives, in particular to a feed additive for improving heat stress resistance of fattening pigs and application thereof.
Background
The proper temperature for pig growth is 15-25 deg.c, and when the temperature exceeds the proper temperature, the pig has reduced activity, increased drinking water, slow growth speed and raised feed-meat ratio.
High temperature climate, especially continuous high temperature and high humidity climate, has quite serious consequences for the production of live pigs. High temperature can reduce the hormone secretion of the metabolism of regulating substances such as thyroxine, adrenalin and the like of the body, thereby causing the metabolic activity of carbohydrates, lipids and proteins of the body to be reduced, and further reducing the growth rate of pigs. Under the influence of heat stress, the immunity of the fattening pigs is reduced, and the incidence of diseases is further increased. The reduction in productivity of pigs caused by heat stress is therefore also increasingly attracting attention of feed nutrition workers.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a feed additive for improving heat stress resistance of fattening pigs and application thereof.
The invention is realized by the following steps:
in a first aspect, the invention provides a feed additive for improving heat stress resistance of fattening pigs, wherein each 1kg of the feed additive comprises the following components: 50-350g of glucose, 20-80g of vitamin C, 10-100g of vitamin E, 10-90g of compound B vitamins, 2-15g of chromium picolinate, 100-containing sodium bicarbonate, 5-10g of potassium chloride, 100-containing citric acid, 1-5g of yeast selenium, 1-9g of betaine, 100-containing fat powder, 400g of compound Chinese herbal medicines and the balance of carrier.
In an alternative embodiment, the components contained in each 1kg of feed additive comprise: 100-300g of glucose, 30-70g of vitamin C, 20-80g of vitamin E, 20-80g of compound B vitamins, 5-10g of pyridine carboxylic acid chromium, 150-300g of sodium bicarbonate, 6-9g of potassium chloride, 150-200g of citric acid, 2-5g of yeast selenium, 2-8g of betaine, 150-300g of fat powder, 100-150g of compound Chinese herbal medicine and the balance of carrier.
In an optional embodiment, the compound Chinese herbal medicine comprises mung beans, plantain herbs, honeysuckle flowers, wild chrysanthemum flowers and reed rhizome in a mass ratio of 2.5-3.5:0.5-1.5:1.5-2.5:0.5-1.5: 2.5-3.5.
In an optional embodiment, the mass ratio of the citric acid to the compound Chinese herbal medicine is 1-2: 1.
in an alternative embodiment, the B-complex vitamins include vitamin B6, vitamin B12, niacin, folic acid, and biotin in a mass ratio of 3-5:8-12:8-12:1: 1.
In an alternative embodiment, the mass ratio of the citric acid to the complex B vitamins is 2-3: 1.
in an alternative embodiment, the carrier is rice hull powder.
In a second aspect, the present invention provides a use of the feed additive according to any one of the preceding embodiments for improving heat stress resistance of a finishing pig as a feed additive in the preparation of a pig feed.
In a third aspect, the invention provides a feed for improving heat stress resistance of a fattening pig, which comprises the feed additive for improving heat stress resistance of the fattening pig, which is prepared according to any one of the preceding embodiments, added to a basic ration.
In an optional embodiment, the addition amount of the feed additive for improving the heat stress resistance of the fattening pig accounts for 0.1-0.5% of the mass of the basic ration.
The invention has the following beneficial effects:
according to the feed additive for improving the heat stress resistance of the fattening pigs, glucose, vitamin C, vitamin E, compound B vitamins, chromium picolinate, sodium bicarbonate, potassium chloride, citric acid, selenium yeast, betaine, fat powder, compound Chinese herbal medicines and a carrier are compounded, so that the daily gain and feed intake of the fattening pigs can be obviously improved, the feed conversion ratio is reduced, and the heat stress resistance of the fattening pigs is improved under the heat stress condition. Especially, compound B vitamins, citric acid and compound Chinese herbal medicines are added into the feed additive, and the three can play a role in cooling blood under a specific dosage proportion, so that evaporation and heat dissipation are effectively reduced, bicarbonate ions in blood are effectively prevented from being lost, the pH value in blood is increased, alkalosis also occurs, the pH stability in blood of an organism is effectively maintained, the utilization rate of protein in the feed additive is remarkably improved, the influence of heat stress on the organism is remarkably reduced, the feed intake and the daily gain are favorably improved, and the feed conversion ratio is reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The invention provides a feed additive for improving heat stress resistance of fattening pigs, wherein each 1kg of the feed additive comprises the following components: 50-350g of glucose, 20-80g of vitamin C, 10-100g of vitamin E, 10-90g of compound B vitamins, 2-15g of chromium picolinate, 100-containing sodium bicarbonate, 5-10g of potassium chloride, 100-containing citric acid, 1-5g of yeast selenium, 1-9g of betaine, 100-containing fat powder, 400g of compound Chinese herbal medicines and the balance of carrier.
Wherein, the glucose can directly supply energy to the body, and relieve the situation that the fattening pig has insufficient energy intake due to the reduction of the feed intake caused by heat stress.
The addition of vitamin C is effective in relieving heat stress, and specifically, the production of corticosteroid is increased due to heat stress, while vitamin C is required for the synthesis of corticosteroid hormone; in case of high temperature stress, a lot of energy is consumed for heat dissipation by gasp, and vitamin C supplementation contributes to stress resistance because vitamin C is necessary for synthesizing carnitine, which is a metabolic factor essential for muscle energy supply. During heat stress, vitamin C helps to maintain a higher feed intake, thereby ensuring an adequate nutrient supply against the adverse effects of heat stress.
Vitamin E is an intracellular antioxidant that protects cell membranes and protects against lipid peroxidation caused by free radicals. Under the heat stress environment, the addition of vitamin E can improve the antioxidant function of the body and obviously improve the production performance of the fattening pigs.
The compound B vitamins comprise vitamin B6, vitamin B12, nicotinic acid, folic acid and biotin in a mass ratio of 3-5:8-12:8-12:1:1 (preferably, 3-5:8-12:8-12:1: 14: 10: 10: 1: 1). The B vitamins play an important role in the synthesis of protein tissues and the increase of the growth rate of body tissues. Vitamin B6 is a coenzyme in amino acid metabolism and is involved in the metabolism of proteins, sugars and fats. Vitamin B12, also known as cyanodinine, is a chelate containing a cobalt atom and a cyano group. Vitamin B12 participates in protein metabolism, improves the utilization rate of plant protein, and is also an essential substance for normal hematopoiesis. The nicotinic acid can improve the utilization rate of feed protein and the yield and quality of livestock meat. Therefore, folic acid plays an important role in the processes of protein synthesis, cell division and growth and has a promoting effect on the formation of normal red blood cells. Biotin is a coenzyme and is involved in the metabolism of proteins, fats, etc.
Chromium is a trace element, and can assist insulin in participating in carbohydrate metabolism of an organism by forming an organic chelate, namely a glucose tolerance factor with nicotinic acid, glutamic acid, glycine and the like; it can regulate protein metabolism, promote amino acid to enter cell to promote protein synthesis, and is favorable to the deposition of muscle and other tissue protein; chromium also has important effect on lipid metabolism, can reduce cholesterol and triglyceride in the blood serum of fattening pig, reduce abdominal fat rate, improve carcass quality, and improve reproductive function. The cortisol concentration in blood can be increased by various stresses, and the cortisol can inhibit the immune system, and the chromium picolinate participates in-vivo immune regulation and control and can enhance the capability of the immune response of the organism, so that the resistance of the organism to the stresses is enhanced.
The sodium bicarbonate is a common electrolyte additive and acid-base regulator, and the addition of the sodium bicarbonate in the daily ration is helpful for enhancing the buffering capacity of the organism, improving the pH value of blood and alkali storage, and is helpful for the normal work of an endocrine system in a stress state and improving the heat stress resistance.
The addition of potassium chloride is beneficial to avoiding hypokalemia of the organism in heat stress, and is also beneficial to maintaining normal blood potassium concentration of the organism.
The citric acid is not only a good feed acid agent and a production promoter, but also can be oxidized into carbon dioxide and bicarbonate in livestock and poultry bodies, and the latter two can be used as a buffering agent in blood and contribute to the stability of pH in the blood.
Yeast selenium is an organic selenium source developed using yeast, which is produced by selenium enrichment within the cellular protein structures of growing yeast. The selenium yeast participates in the oxidation resistance process of the organism through selenoprotein, so that the anti-stress capability is improved.
The betaine can promote fat metabolism, improve the palatability of the feed, relieve heat stress, regulate the osmotic pressure of an organism, obviously improve the growth performance of pigs, reduce carcass fat, increase the lean meat percentage and improve carcass quality.
The fat powder can improve the chemical properties of the oil and protect vitamins and other trace elements which are easy to oxidize. The feed additive contains a large amount of unsaturated fatty acids such as linoleic acid and linolenic acid, can supplement essential fatty acids which cannot be synthesized by animals, enhance the immunity and anti-emergency capacity of the animals, and promote the absorption of calcium.
The composite Chinese herbal medicine comprises mung beans, plantain herbs, honeysuckle flowers, wild chrysanthemum flowers and reed rhizome in a mass ratio of 2.5-3.5:0.5-1.5:1.5-2.5:0.5-1.5:2.5-3.5 (preferably, in a mass ratio of 3: 1: 2:1: 3). The traditional Chinese veterinarian considers that the heat stress belongs to the heatstroke category, is caused by heat evil in summer, and causes diseases due to summer climate hot and damp, deficiency of vital energy of an organism and incapability of adjusting adaptation, so that the summer evil enters the interior along with deficiency. The formula medicine with cold and cool properties is added into feed, and has the effects of clearing heat evil, regulating yin and yang balance, comprehensively regulating the immunity of the organism and relieving the adverse reaction of heat stress through the effects of purging fire, detoxifying, cooling blood and the like. The Chinese herbal medicines used in the additive have the functions of clearing away heat and toxic materials, ascending the clear and relieving summer-heat, diminishing inflammation and inducing diuresis, wherein the mung beans are seeds of mung beans of leguminous plants, are sweet and cold in nature, enter heart and stomach channels, and have the functions of ascending the clear and relieving summer-heat, and dissipating blood stasis and stopping bleeding. Plantain, the whole plant before flattening, is sweet in taste and cold in nature. Has effects of promoting urination, clearing heat away, improving eyesight, and eliminating phlegm. Honeysuckle flower, a dry flower bud of the vine-growing shrubby honeysuckle of Caprifoliaceae, is sweet and cold in nature, and has the functions of clearing away heat and toxic materials, cooling blood and stopping bleeding through human lung, heart, stomach and spleen channels. Flos Chrysanthemi Indici, a dry capitate inflorescence of Chrysanthemum morifolium Ramat of Compositae, is sweet, bitter and slightly cold in nature, enters lung and liver channels, and has effects of dispelling pathogenic wind and heat, removing liver heat, improving eyesight, diminishing inflammation, and promoting urination. Rhizoma Phragmitis is the rhizome of perennial herb reed of Gramineae, and is cut into sections for air drying. Sweet and cold in nature, entering lung, stomach and kidney meridians. Has effects in clearing away heat, promoting salivation, and removing lung heat.
Preferably, the components contained in each 1kg of the feed additive include: 100-300g of glucose, 30-70g of vitamin C, 20-80g of vitamin E, 20-80g of compound B vitamins, 5-10g of pyridine carboxylic acid chromium, 150-300g of sodium bicarbonate, 6-9g of potassium chloride, 150-200g of citric acid, 2-5g of yeast selenium, 2-8g of betaine, 150-300g of fat powder, 100-150g of compound Chinese herbal medicine and the balance of carrier.
The inventor researches and discovers that the citric acid and the compound Chinese herbal medicine provided by the application are compounded according to a specific proportion in the weight range, so that a remarkable synergistic effect can be obtained, the compound Chinese herbal medicine can play a role in cooling blood when the body is under heat stress due to the cooperation of the citric acid and the compound Chinese herbal medicine, evaporation and heat dissipation are effectively reduced, further bicarbonate radical ions in blood are effectively prevented from being lost, the pH value in the blood is increased, alkalosis is also avoided, and further, the citric acid can effectively maintain the pH stability in the body blood. The compound of citric acid and compound Chinese herbal medicine can obviously reduce the influence of heat stress on organisms. Preferably, in the application, the mass ratio of the citric acid to the compound Chinese herbal medicine is 1-2: 1.
further, citric acid and the compound B vitamins are compounded in a specific weight range, and the synthesis of protein is affected by peracid and over-alkali, so that the physicochemical properties, the biological immunology and other properties of the protein are changed. Preferably, in the present application, the mass ratio of citric acid to compound B vitamins is 2-3: 1.
the carrier is rice hull powder.
In addition, the application also provides application of the feed additive for improving the heat stress resistance of the fattening pigs in preparation of pig feeds as a feed additive. Specifically, the application provides a feed for improving the heat stress resistance of a fattening pig, which comprises a feed additive added into basic ration for improving the heat stress resistance of the fattening pig. The addition amount of the feed additive for improving the heat stress resistance of the fattening pigs accounts for 0.1-0.5 percent of the mass of the basic ration.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
A feed additive for improving heat stress resistance of fattening pigs comprises 100g of glucose, 45g of vitamin C45g, 50g of vitamin E, 65g of compound B vitamins, 6g of chromium picolinate, 200g of food-grade sodium bicarbonate, 7g of potassium chloride, 160g of citric acid, 3g of yeast selenium, 5g of betaine, 200g of fat powder, 120g of Chinese herbal medicine additive and 39g of rice hull powder, wherein the total amount is 1000 g.
Wherein, the compound B vitamins comprise 4: 10: 10: 1:1, vitamin B6, vitamin B12, niacin, folic acid, and biotin. The Chinese herbal medicine additive comprises the following components in percentage by mass of 2.5: 1: 2:1: 3 mung bean, plantain herb, honeysuckle flower, wild chrysanthemum flower and reed rhizome.
Example 2
A feed additive for improving heat stress resistance of fattening pigs comprises 100g of glucose, 30g g of vitamin C, 20g of vitamin E, 65g of compound B vitamins, 10g of chromium picolinate, 150g of food-grade sodium bicarbonate, 8g of potassium chloride, 160g of citric acid, 5g of yeast selenium, 2g of betaine, 150g of fat powder, 120g of Chinese herbal medicine additive and 180g of rice hull powder, wherein the total amount is 1000 g.
Wherein, the compound B vitamins comprise 3: 12: 12:1:1, vitamin B6, vitamin B12, niacin, folic acid, and biotin. The Chinese herbal medicine additive comprises the following components in percentage by mass of 3: 1: 2:1: 3 mung bean, plantain herb, honeysuckle flower, wild chrysanthemum flower and reed rhizome.
Example 3
A feed additive for improving heat stress resistance of fattening pigs comprises 120g of glucose, 50g of vitamin C50g, 85g of vitamin E, 65g of compound B vitamins, 10g of chromium picolinate, 250g of food-grade sodium bicarbonate, 6g of potassium chloride, 160g of citric acid, 2g of yeast selenium, 2g of betaine, 100g of fat powder, 120g of Chinese herbal medicine additive and 30g of rice hull powder, wherein the total amount is 1000 g.
Wherein, the compound B vitamins comprise 4: 10: 10: 1:1, vitamin B6, vitamin B12, niacin, folic acid, and biotin. The Chinese herbal medicine additive comprises the following components in percentage by mass of 3: 1: 2:1: 3 mung bean, plantain herb, honeysuckle flower, wild chrysanthemum flower and reed rhizome.
Example 4
This example is substantially the same as example 1, except that: this example replaces the mass ratio of citric acid to complex B vitamins in example 1 from 2.5:1 (160 g citric acid, 65g complex B vitamins) to 5:1 (187.5 g citric acid, 37.5g complex B vitamins).
Example 5
This example is substantially the same as example 1, except that: in the embodiment, the mass ratio of the citric acid to the compound Chinese herbal medicine in the embodiment 1 is changed from 1.3:1 (160 g of citric acid and 120g of compound Chinese herbal medicine) to 4:1 (224 g of citric acid and 56g of compound Chinese herbal medicine).
Comparative example
Comparative examples 1-5 are essentially the same as example 1, except that:
comparative example 1 the herbal additive of example 1 was omitted and an equivalent amount of rice hull powder was supplemented.
Comparative example 2 citric acid in example 1 was omitted and an equivalent amount of rice hull powder was supplemented.
Comparative example 3 the complex B vitamins of example 1 were omitted and an equivalent amount of rice hull powder was supplemented.
Comparative example 4 the mass ratio of citric acid and complex B vitamins in example 1 was changed from 2.5:1 (160 g of citric acid and 65g of complex B vitamins) to 1:2.5 (i.e. 65g of citric acid and 160g of complex B vitamins).
Comparative example 5 the mass ratio of citric acid to the compound Chinese herbal medicine in example 1 was changed from 1.3:1 (160 g of citric acid and 120g of compound Chinese herbal medicine) to 1:3 (70 g of citric acid and 210g of compound Chinese herbal medicine).
Feeding test
1. Materials and methods
1.1 test time and location
In 2021, from 25/6/8/2/3, in a certain raising base of Aaonong group.
1.2 test materials and methods
By adopting a single-factor comparison test design, 220 growing-finishing pigs of about 50kg are selected and randomly and evenly divided into a control group, 5 example groups (examples 1-5) and 5 comparison groups (comparison examples 1-5), each group is treated by two, 10 pigs (wherein each sow and a castrated boar occupies half), and the weight difference among the control group, the example groups and the comparison groups is not significant. Feeding test is carried out, the temperature is controlled by an air conditioner and a heating plate, the temperature is maintained at about 30 ℃, the condition of heat stress in the natural environment is simulated, and the humidity of the pigsty is kept at about 70% by a humidifier.
The control group was fed with the basic ration, and the additive of examples 1 to 5 according to the present invention was additionally added to the basic ration at a rate of 0.4% in the example group (examples 1 to 5), and the additive of comparative examples 1 to 5 according to the present invention was additionally added to the basic ration at a rate of 0.4% in the comparative example group.
The test transition period is 7 days, the test period is 30 days, and the control group, the example group and the comparative example group in the test period adopt free ingestion, so that sufficient drinking water is ensured in the whole process.
1.3 diet composition and Nutrition level
The basic ration comprises the following components: the formulation is shown in Table 1.
TABLE 1 basic diet composition and nutritional level
| Basal diet | |
| Corn, percent | 70 |
| Soybean meal% | 20 |
| Bran, is | 2 |
| 8% of premix,% | 8 |
| Digestive energy of pig, kcal/kg | 3300 |
| Crude protein% | 16.0 |
| Calcium content% | 0.66 |
| Total phosphorus% | 0.52 |
Note: the used raw materials meet the national standard.
1.4, measurement index
The measurement indexes include initial body weight, end body weight, feed intake, daily gain and feed-meat ratio of each treatment group.
2. Results
The test data are statistically analyzed by One-way ANOVA in SPSS software, and multiple comparisons are performed when the differences are significant, and the results are shown in Table 2.
TABLE 2 initial weight, end weight, feed intake, daily gain and feed-meat ratio measurements for each treatment group
Note: different lower case letters in the same column indicate significant difference (p < 0.05).
As can be seen from table 2, the differences in body weight among the control group, the example group, and the comparative group were not significant, all the examples and comparative groups had significantly higher body weights than the control group at the end of body weight, and the body weights of the fattening pigs of examples 1, 2, and 3 were significantly higher than those of the comparative groups. The daily weight increase of the fattening pigs of all the examples and the comparative example is obviously higher than that of the control group. The feed intake of the fattening pigs in the examples 1, 2, 3 and 4 and the comparative examples 2, 3 and 4 is obviously higher than that of the control group. In terms of feed-meat ratio, the feed-meat ratio of the compound feed is significantly lower than that of the control group in the examples 1, 2 and 3. The results show that the heat stress resistance effect of the components in example 1, example 2 and example 3 is better than that of the components in comparative example 1, comparative example 2 and comparative example 3, and the comparison shows that the two components are mainly different in that the traditional Chinese herbal medicine additive or compound B vitamins or citric acid is additionally added, so that the synergistic effect is realized among the components. Comparing example 1 with example 4, and comparing example 4, the end weight, daily gain and feed-meat ratio of the former are all better than those of the latter, which shows that the proper mass ratio of citric acid and compound B vitamins is 2-3: 1, when the amount exceeds this range, the effect is not good. Comparing example 1 with example 5, and comparing example 5, the ending weight, daily gain and feed-meat ratio of the former are all superior to those of the latter, which shows that the proper mass ratio of citric acid and the compound Chinese herbal medicine is 1-2: 1, when the amount exceeds this range, the effect is not good. In conclusion, by combining the experimental data in table 2, the feeding scheme of example 1 has the best effect, effectively improves the feed intake and daily gain, and reduces the feed conversion ratio.
In summary, the feed additive for improving the heat stress resistance of the fattening pig provided by the application is prepared by compounding glucose, vitamin C, vitamin E, compound B vitamins, chromium picolinate, sodium bicarbonate, potassium chloride, citric acid, selenium yeast, betaine, fat powder, compound Chinese herbal medicines and a carrier, so that the daily gain and feed intake of the fattening pig can be obviously improved under the heat stress condition, the feed conversion ratio is reduced, and the heat stress resistance of the fattening pig is improved. Especially, compound B vitamins, citric acid and compound Chinese herbal medicines are added into the feed additive, and the three can play a role in cooling blood under a specific dosage proportion, so that evaporation and heat dissipation are effectively reduced, bicarbonate ions in blood are effectively prevented from being lost, the pH value in blood is increased, alkalosis is also avoided, the pH stability in blood of an organism is effectively maintained, the utilization rate of protein in the feed additive is remarkably improved, the influence of heat stress on the organism is remarkably reduced, the feed intake and the daily gain are favorably improved, and the feed conversion ratio is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A feed additive for improving heat stress resistance of fattening pigs is characterized in that each 1kg of the feed additive contains the following components: 50-350g of glucose, 20-80g of vitamin C, 10-100g of vitamin E, 10-90g of compound B vitamins, 2-15g of chromium picolinate, 100-300g of sodium bicarbonate, 5-10g of potassium chloride, 100-300g of citric acid, 1-5g of yeast selenium, 1-9g of betaine, 100-300g of fat powder, 50-200g of compound Chinese herbal medicines and the balance of carriers.
2. The feed additive for improving heat stress resistance of fattening pigs according to claim 1, wherein each 1kg of the feed additive comprises the following components: 100-300g of glucose, 30-70g of vitamin C, 20-80g of vitamin E, 20-80g of compound B vitamins, 5-10g of pyridine carboxylic acid chromium, 150-300g of sodium bicarbonate, 6-9g of potassium chloride, 150-200g of citric acid, 2-5g of yeast selenium, 2-8g of betaine, 150-300g of fat powder, 100-150g of compound Chinese herbal medicine and the balance of carrier.
3. The feed additive for improving the heat stress resistance of fattening pigs according to claim 1, wherein the compound Chinese herbal medicines comprise mung beans, plantain herbs, honeysuckle flowers, wild chrysanthemum flowers and reed rhizome in a mass ratio of 2.5-3.5:0.5-1.5:1.5-2.5:0.5-1.5: 2.5-3.5.
4. The feed additive for improving heat stress resistance of fattening pigs according to claim 3, wherein the mass ratio of the citric acid to the compound Chinese herbal medicines is 1-2: 1.
5. the feed additive for improving the heat stress resistance of fattening pigs according to claim 1, wherein the compound B vitamins comprise vitamin B6, vitamin B12, nicotinic acid, folic acid and biotin in a mass ratio of 3-5:8-12:8-12:1: 1.
6. The feed additive for improving heat stress resistance of fattening pigs according to claim 5, wherein the mass ratio of the citric acid to the compound B vitamins is 2-3: 1.
7. the feed additive for improving heat stress resistance of fattening pigs according to claim 1, wherein the carrier is rice hull powder.
8. Use of a feed additive according to any one of claims 1 to 7 for increasing the heat stress resistance of a finishing pig in the preparation of a pig feed as a feed additive.
9. A feed for improving heat stress resistance of a growing and fattening pig, which is characterized by comprising the feed additive for improving heat stress resistance of a growing and fattening pig according to any one of claims 1 to 7 added to a basic ration.
10. The feed for improving the heat stress resistance of the fattening pigs according to claim 9, wherein the addition amount of the feed additive for improving the heat stress resistance of the fattening pigs accounts for 0.1-0.5 percent of the mass of the basic ration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673176.XA CN114271393A (en) | 2021-12-31 | 2021-12-31 | Feed additive for improving heat stress resistance of fattening pigs and application thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172265A (en) * | 2011-04-02 | 2011-09-07 | 湖南广安生物技术股份有限公司 | Feed additive for improving stress resistance, meat color and meat quality of grown fattening pig and application thereof |
| CN104839447A (en) * | 2014-02-17 | 2015-08-19 | 天津恒基利得生物科技发展有限公司 | Anti-heat stress feed additive for pregnant sows |
| CN105325732A (en) * | 2015-12-03 | 2016-02-17 | 安徽五粮泰生物工程股份有限公司 | Preparation method of nonreactive feed for piglets |
| CN108142683A (en) * | 2016-12-03 | 2018-06-12 | 灵丘县动物疫病预防控制中心 | A kind of swine plague epidemic-prevention fodder and preparation method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172265A (en) * | 2011-04-02 | 2011-09-07 | 湖南广安生物技术股份有限公司 | Feed additive for improving stress resistance, meat color and meat quality of grown fattening pig and application thereof |
| CN104839447A (en) * | 2014-02-17 | 2015-08-19 | 天津恒基利得生物科技发展有限公司 | Anti-heat stress feed additive for pregnant sows |
| CN105325732A (en) * | 2015-12-03 | 2016-02-17 | 安徽五粮泰生物工程股份有限公司 | Preparation method of nonreactive feed for piglets |
| CN108142683A (en) * | 2016-12-03 | 2018-06-12 | 灵丘县动物疫病预防控制中心 | A kind of swine plague epidemic-prevention fodder and preparation method |
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Application publication date: 20220405 |