A creeper companion
A technology of creep feed and companion, which is applied in the field of feed, can solve problems such as short storage time of creep feed, lack of nutrition, instability of creep feed, etc., to improve weaning uniformity and weaning litter weight, and improve digestion and absorption rate , Ease of large-scale production
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[0049] The preparation method of described aliphatic polyester-amidated hyaluronic acid is:
[0050] (1) Preparation of amidated hyaluronic acid: dissolve hyaluronic acid in water, add 0.1mol L -1 After adjusting the pH to 5.5 with hydrochloric acid, add catalyst 0.6mmol L -1 1-ethyl-(3-dimethylaminopropyl)carbodiimide, 0.06mmol L -1 For N-hydroxysuccinimide, add allylamine after warm stirring for 15 minutes, and react for 4 hours to obtain amidated hyaluronic acid;
[0051] (2) Synthesis of aliphatic polyester macroinitiator: add triethylamine (0.276mmol) in the dry dichloromethane solution (15mL) of 15% (v / w) polylactic acid under nitrogen atmosphere, mass fraction, The mixture was stirred for 30 min and then cooled to 0 °C. A dichloromethane solution (8 mL) with a mass fraction of 0.3% (v / w) 2-bromoisobutyryl bromide was added dropwise to the polylactic acid solution via a syringe under a nitrogen atmosphere and kept at 0 °C for 1 h. The reaction mixture was continuousl...
Embodiment 1
[0111] Embodiment 1 of the present invention provides a kind of creep material companion, calculates by weight, comprises:
[0112]
[0113] Wherein, the additives at least include enzyme preparations, acidulants, amino acids, vitamins, soybean oil, and water.
[0114] The molar ratio of the aliphatic polyester to amidated hyaluronic acid is 1:3000; the degree of amidation of the amidated hyaluronic acid is 75%; the preparation method of the aliphatic polyester-amidated hyaluronic acid for:
[0115] (1) Preparation of amidated hyaluronic acid: dissolve hyaluronic acid in water, add 0.1mol L -1 After adjusting the pH to 5.5 with hydrochloric acid, add catalyst 0.6mmol L -1 1-ethyl-(3-dimethylaminopropyl)carbodiimide, 0.06mmol L -1 For N-hydroxysuccinimide, add allylamine after warm stirring for 15 minutes, and react for 4 hours to obtain amidated hyaluronic acid;
[0116] (2) Synthesis of aliphatic polyester macroinitiator: add triethylamine (0.276mmol) in the dry dichlo...
Embodiment 2
[0145] Embodiment 2 of the present invention provides a kind of creep material companion, calculates by weight, comprises:
[0146]
[0147] Wherein, the additives at least include enzyme preparations, acidulants, amino acids, vitamins, soybean oil, and water.
[0148] The molar ratio of the aliphatic polyester to amidated hyaluronic acid is 1:3000; the degree of amidation of the amidated hyaluronic acid is 75%; the preparation method of the aliphatic polyester-amidated hyaluronic acid With embodiment 1;
[0149] The enzymolysis fermentation product includes fermented soybean meal and fermented corn; the weight ratio of the fermented soybean meal and fermented corn is 4:1; the probiotics used in the enzymolysis fermentation product include yeast, bacillus, and lactic acid bacteria; the yeast The weight ratio of bacteria, bacillus and lactic acid bacteria is 0.5:0.5:1; the preparation method of the enzymatic fermentation product is the same as that of Example 1;
[0150] T...
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