CN105166439A - Feed for shortening leech growth period and preparation method thereof - Google Patents

Abstract

The invention discloses a feed for shortening leech growth period. The feed is prepared from the following raw materials by weight part: 30-40 of corn, 5-10 of feather powder, 40-50 of Zophobas atratus powder, 20-24 of lotus root, 10-15 of sweet orange peel, 40-50 of camellia oleifera cake, 30-40 of blood meal, 10-15 of corn bract, 6-7 of alpha-starch, 50-60 of fish cream, and proper amounts of yeast, bacillus natto, vinegar, ammonia water and water. After treatment, the camellia oleifera cake in the prepared feed is easier to digest, the nutritional value of cake meal is increased, and the flavor of cake meal is improved. Lotus root can help digestion and check diarrhea, promote appetite and nourish the body, can be mixed with feather powder and then be subjected to puffing treatment. After eating the feed, leeches can grow rapidly, and the fed leeches are robust and powerful, thus effectively shortening the leech growth period and achieving good breeding benefits.

Description

A kind of shortening leech feed in growth period and preparation method thereof

Technical field

The present invention relates to a kind of field of feed, particularly one shortens leech feed in growth period and preparation method thereof.

Background technology

China utilizes leech nearly one thousand years more Zao than west, and leech begins to remember that history tree is all on the books in " legendary god of farming's book on Chinese herbal medicine " as Chinese medicine.In national academic conference promoting blood circulation and removing blood stasis in 1986, leech is confirmed as one of 35 kinds of Chinese medicines promoting blood circulation and removing blood stasis.Englishman Mike watt finds and the hirudin extracted the 1950's, and a few microgram just can make blood solidify, and it can reduce blood viscosity, alleviation arterial wall spasm, hemangiectasis, stimulates circulation and absorb exudate.Hirudin also can be used for treating miocardial infarction, headstroke, thrombus class angiosis and vascular hypertension.Surgery removes hemostasis after being used for reconstructive operation, is the jinx of the thrombotic diseases such as cardiovascular disease.Leech vitality is extremely strong, substantially disease-free, but strict to water quality requirement.Water body requires that water source is avoided containing strong iron and sulphur matter, can survive in the waters of pH value 6.4-9 without industry and domestic pollution, but can not live in the acid waters that pH value is extremely low.The leech annual 3-6 month breeds, and lays eggs cocoon 2-3, young leech 13-35 bar in each cocoon, most 20 at every turn.

Containing the saponin having hemolytic of about 10% in Oil-tea-cake, saponin can not be absorbed by animal stomach, bitter and pungent, although little to livestock toxicity, but because palatability is poor, except saponin, Oil-tea-cake also containing certain tannin and a small amount of caffeine, these materials phenomenon such as the bad and animal digestion of palatability can be caused in feed bad.Oil-tea-cake carries out processing the compositions such as rear minimizing saponin wherein, tannin by the present invention, improves the palatability of feed.

Summary of the invention

The present invention compensate for the deficiencies in the prior art, provides a kind of and shortens leech feed in growth period and preparation method thereof.

Technical scheme of the present invention is as follows:

Leech feed of the present invention is made up of the raw material of following weight portion: corn 30-40, feather meal 5-10, barley worm powder 40-50, lotus rhizome 20-24, sweet orange peel 10-15, Oil-tea-cake 40-50, blood meal 30-40, bracteal leaf of corn 10-15, alphalise starch 6-7, fish slurry 50-60, saccharomycete, bafillus natto, vinegar, ammoniacal liquor, water are appropriate;

The concrete steps of the preparation of described leech feed are as follows:

(1) Oil-tea-cake being ground into meal, soaking 5-6 hour, mechanically except the impurity such as shelling, then ammoniacal liquor being mixed with suitable quantity of water, regulate PH to be 10, mix with above-mentioned Oil-tea-cake meal, soak 8 hours, filter, dry, make micro mist, Oil-tea-cake powder must be improved;

(2) bracteal leaf of corn is mixed with vinegar and suitable quantity of water, grind to form juice, then mix with blood meal, sweet orange peel, bafillus natto, sealing, 35 DEG C of condition bottom fermentations 48 hours, leach sweet orange peel, again remaining slurries are carried out high-pressure homogenization process, obtain fermentation homogenate;

(3) the fermentation homogenate of the improvement Oil-tea-cake powder of step 1 and step 2, saccharomycete are mixed, sealing, continue fermentation 1-2 days under 30-40 DEG C of condition, dry, obtain mixed culture fermentation powder;

(4) the fermentation sweet orange peel of step 2 is added suitable quantity of water grinding pulping, then corn is carried out Ultramicro-powder be broken into 60-70 order, starch with above-mentioned orange peel, alphalise starch, fish starch and mix, oven dry, granulation, obtains premix particle;

(5) make powder after being dried by lotus rhizome, add suitable quantity of water and soak 5-6 hour, after seepage pressure effects, obtain lotus rhizome extract;

(6) expanding treatment is carried out after being mixed by remaining to feather meal and step 5 lotus rhizome granulated slag; mix with the lotus rhizome extract of step 5, the mixed culture fermentation powder of step 3 and other residual components again; dry granulation, then mix with the premix particle of step 4.

Beneficial effect of the present invention:

In the present invention, tea seed episperm is the main source of crude fibre and tannin in grouts, has had a strong impact on palatability and the trophism of grouts, can improve the quality of feed after shelling.With ammoniacal liquor soak Oil-tea-cake, add the content of nonprotein nitrogen in grouts, the part ester bond of ammonia also in decomposable asymmetric choice net grouts on lignin in addition, grouts are softened, the digestibility of leech to feed can be improved by ammoniated treatment, improve digestibility and the capacity usage ratio of the organic substance such as digestibility and crude fibre of thick protein.The pH value of soak is adjusted to the residual quantity that 10 are conducive to reducing saponin in cake cypress.By bracteal leaf of corn lapping liquid and blood meal fermentation liquid, the slurries after homogenized disperse in particulate form, make active ingredient stable in properties, are uniformly dispersed.Grouts after ammonia process process are carried out inoculation fermentation, and saccharomycete can utilize nitrogenous source in grouts and carbon source, the nutrients such as producing strains body protein.Reduce the content of crude fibre, saponin.In addition, the fermentation of yeast produces certain wine flavour, in drying course, because some chemical reactions can produce baking fragrance, improves the nutritive value of grouts, improves the local flavor of grouts.By starch based material through Crushing of Ultrafine, enhance starch material and other formula components adhesions, then with fish starch mix after granulate, temperature controls at 60-70 DEG C, and water stability is good.The fish slurry added substitutes all or part of amount of water, makes material mouthfeel and taste closer to natural bait.

Obtained feed is more easy to digest by the Oil-tea-cake after process, improves the nutritive value of grouts, improves the local flavor of grouts.Lotus rhizome can help digestion antidiarrheal, appetizing nourishing, and carry out expanding treatment after mix with feather meal, after leech is edible, growth fast, and the leech raised out is healthy and strong, effectively, thus effectively shortens the growth cycle of leech, has good culture benefit.

Specific embodiments

Below in conjunction with following detailed description of the invention, the present invention is described in further detail:

The raw material taking following weight portion (kg) is made: corn 35, feather meal 7, barley worm powder 47, lotus rhizome 22, sweet orange peel 13, Oil-tea-cake 45, blood meal 36, bracteal leaf of corn 12, alphalise starch 6, fish slurry 55, saccharomycete, bafillus natto, vinegar, ammoniacal liquor, water are appropriate;

The concrete steps of the preparation method of leech feed are as follows:

(1) Oil-tea-cake being ground into meal, soaking 5 hours, mechanically except the impurity such as shelling, then ammoniacal liquor being mixed with suitable quantity of water, regulate PH to be 10, mix with above-mentioned Oil-tea-cake meal, soak 8 hours, filter, dry, make micro mist, Oil-tea-cake powder must be improved;

(2) bracteal leaf of corn is mixed with vinegar and suitable quantity of water, grind to form juice, then mix with blood meal, sweet orange peel, bafillus natto, sealing, 35 DEG C of condition bottom fermentations 48 hours, leach sweet orange peel, again remaining slurries are carried out high-pressure homogenization process, obtain fermentation homogenate;

(3) the fermentation homogenate of the improvement Oil-tea-cake powder of step 1 and step 2, saccharomycete are mixed, sealing, continues fermentation 2 days under 35 DEG C of conditions, dries, obtains mixed culture fermentation powder;

(4) the fermentation sweet orange peel of step 2 is added suitable quantity of water grinding pulping, then corn is carried out Ultramicro-powder be broken into 70 orders, starch with above-mentioned orange peel, alphalise starch, fish starch and mix, oven dry, granulation, obtains premix particle;

(5) make powder after being dried by lotus rhizome, add suitable quantity of water and soak 5 hours, after seepage pressure effects, obtain lotus rhizome extract;

(6) expanding treatment is carried out after being mixed by remaining to feather meal and step 5 lotus rhizome granulated slag; mix with the lotus rhizome extract of step 5, the mixed culture fermentation powder of step 3 and other residual components again; dry granulation, then mix with the premix particle of step 4.

In order to further illustrate using value of the present invention, implement people and leech is equally divided into experimental group and control group two groups according to age in days, body weight, principle that health status is identical by 200 leech, experimental group feeds leech feed of the present invention, control group feeds traditional leech feed, and experimental period is 3 months, and result of the test is that the feed of experimental group leech is active, survival rate improves 13.8%, efficiency of feed utilization improves 14.7%, and daily gain improves 5.9%, and leech shortens 8.9% growth period.

Claims (2)

1. one kind is shortened leech feed in growth period, it is characterized in that, be made up of the raw material of following weight portion: corn 30-40, feather meal 5-10, barley worm powder 40-50, lotus rhizome 20-24, sweet orange peel 10-15, Oil-tea-cake 40-50, blood meal 30-40, bracteal leaf of corn 10-15, alphalise starch 6-7, fish slurry 50-60, saccharomycete, bafillus natto, vinegar, ammoniacal liquor, water are appropriate.

2. shorten leech feed in growth period according to claim 1, it is characterized in that, the concrete steps of preparation method are as follows:

(1) Oil-tea-cake being ground into meal, soaking 5-6 hour, mechanically except the impurity such as shelling, then ammoniacal liquor being mixed with suitable quantity of water, regulate PH to be 10, mix with above-mentioned Oil-tea-cake meal, soak 8 hours, filter, dry, make micro mist, Oil-tea-cake powder must be improved;

(2) bracteal leaf of corn is mixed with vinegar and suitable quantity of water, grind to form juice, then mix with blood meal, sweet orange peel, bafillus natto, sealing, 35 DEG C of condition bottom fermentations 48 hours, leach sweet orange peel, again remaining slurries are carried out high-pressure homogenization process, obtain fermentation homogenate;

(3) the fermentation homogenate of the improvement Oil-tea-cake powder of step 1 and step 2, saccharomycete are mixed, sealing, continue fermentation 1-2 days under 30-40 DEG C of condition, dry, obtain mixed culture fermentation powder;

(4) the fermentation sweet orange peel of step 2 is added suitable quantity of water grinding pulping, then corn is carried out Ultramicro-powder be broken into 60-70 order, starch with above-mentioned orange peel, alphalise starch, fish starch and mix, oven dry, granulation, obtains premix particle;

(5) make powder after being dried by lotus rhizome, add suitable quantity of water and soak 5-6 hour, after seepage pressure effects, obtain lotus rhizome extract;

(6) expanding treatment is carried out after being mixed by remaining to feather meal and step 5 lotus rhizome granulated slag; mix with the lotus rhizome extract of step 5, the mixed culture fermentation powder of step 3 and other residual components again; dry granulation, then mix with the premix particle of step 4.