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Feather meal feed and preparation method thereof
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A feather powder and feed technology, applied in the field of feather treatment, can solve the problems of feather protein damage and loss of nutritional value
Inactive Publication Date: 2018-10-30
WUHU QIANKAI MATERIAL TECH CO LTD
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Problems solved by technology
[0004] At present, the puffing of feather meal mainly includes cooking method, enzymatic hydrolysis method and puffing method. These three methods have the following defects: either it is difficult to convert the protein in the feather into a peptide chain that is easy for livestock to absorb, or it makes the protein in the feather more degree of destruction, thereby causing it to lose its nutritional value
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preparation example Construction
[0014] The present invention provides a kind of preparation method of feather meal feed, and this preparation method comprises:
[0015] 1) Hydrolyze the feathers in water, then add protease for enzymolysis to obtain enzymatic hydrolysis products;
[0017] 3) Mix corn stalks, soybean meal, sorghum, and the feather meal to prepare the feather meal feed.
[0018] In the above preparation method, the specific conditions of the hydrolysis treatment can be selected in a wide range, but in order to make the prepared feather meal feed have higher protein content and be easier to absorb, preferably, in step 1), the hydrolysis treatment The following conditions are met: the hydrolysis temperature is 100-110° C., and the hydrolysis time is 40-50 minutes.
[0019] In the above preparation method, the specific conditions of the hydrolysis treatment can be selected in a wide range, but in order ...
Embodiment 1
[0031] 1) Mix feathers (goose feathers) and water according to the weight ratio of 20:200, then carry out hydrolysis treatment at 105°C for 45 minutes (within 0-10 minutes, the hydrolysis pressure is 580KPa; after 10 minutes to 30 minutes, the hydrolysis pressure is 430KPa; after 30min, the hydrolysis pressure is 180KPa), then add protease (feather, protease weight ratio is 20:0.8, protease is papain) at 50℃, pH 5.6 for 14h to obtain the enzymatic hydrolysis product;
[0032] 2) Dry the enzymatic hydrolysis product at 103° C. until the moisture content of the solid is lower than 0.5% by weight, and pulverize it to obtain feather powder A1 with an average particle size of 0.2 mm.
Embodiment 2
[0034] 1) Mix feathers (gray duck feathers) and water according to the weight ratio of 20:150, then carry out hydrolysis treatment at 100°C for 40 minutes (within 0-10 minutes, the hydrolysis pressure is 550KPa; after 10 minutes to 30 minutes, hydrolysis The pressure is 400KPa; after 30 minutes, the hydrolysis pressure is 150KPa), then add protease (feather, protease weight ratio is 20:0.5, protease is papain) at 45°C and pH 5 for 12 hours to obtain the enzymatic hydrolysis product;
[0035] 2) Dry the enzymatic hydrolysis product at 100° C. until the moisture content of the solid is lower than 0.5% by weight, and pulverize it to obtain feather meal A2 with an average particle size of 0.1 mm.
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Abstract
The invention discloses feathermeal feed and a preparation method thereof. The method comprises the following steps: firstly, performing hydrolytic treatment on feathers in water, and then adding protease to perform enzymolysis, so as to obtain an enzymoiysis product; secondly, drying and crushing the enzymoiysis product, so as to obtain feathermeal; thirdly, mixing corn straw, bean pulp, sorghum and the feathermeal, so as to obtain the feather meal feed. The protein content of the feather meal feed obtained through the method is high, the feather meal feed is easy to absorb; in addition, the preparation method has the advantages of simple process and high simpleness and convenience in operation.
Description
technical field [0001] The invention relates to feather treatment, in particular to a feather powder feed and a preparation method thereof. Background technique [0002] Feather meal can be widely used in high-protein feed such as livestock, poultry and aquatic products. The protein content can be as high as 80%. The amino acid composition is relatively complete. The content of acid ranks first among all natural feeds, and it is a good source of protein feed. Featherpowder is rich in sulfur-containing amino acids. Feeding during the molt season in spring and autumn is beneficial to the growth and development of plush. At the same time, it also has the effect of reducing chickens, ducks, anus pecking, hair jumping, mink and fox self-biting and hair eating. [0003] Featherpowder is a complete nutritious food, which can improve the health level of fur animals, improve the breeding ability, promote the improvement of fur condition, and make the fur color more healthy and s...
Claims
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Application Information
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