Organic trace element premix feed formula for dairy cows

A premixed feed and trace element technology, applied in animal feed, additional food elements, applications, etc., can solve the problems of high cost and inability to replace conventional addition forms, so as to improve production performance, prevent the occurrence of trace element deficiency, and improve The effect of economic benefits

Inactive Publication Date: 2021-07-09
YUNNAN AGRICULTURAL UNIVERSITY +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Trace element amino acid chelate refers to a complex chelate synthesized with trace element ions as the central atom through coordination bonds, covalent bonds or ionic bonds with ligand amino acids or low mole

Method used

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  • Organic trace element premix feed formula for dairy cows
  • Organic trace element premix feed formula for dairy cows
  • Organic trace element premix feed formula for dairy cows

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An organic trace element premixed feed for dairy cows, the specific ratio is as follows: Each kilogram of dairy cow trace element premixed feed contains 72g of amino acid chelated zinc, 77g of amino acid chelated manganese, 42g of amino acid chelated copper, 2g of amino acid chelated iron, Sodium selenite 30g, cobalt chloride 30g, potassium iodide 1g, magnesium oxide 300g, methionine hydroxy calcium salt 200g and carrier 246g.

[0017] Wherein, the effective content in the cow trace element premixed feed is (mg / kg): iron 1200, zinc 15000, copper 5000, manganese 16000, cobalt 300, selenium 300, magnesium 50000.

[0018] The method for using the organic trace element premixed feed for cows described in the present embodiment is as follows:

[0019] (1) Peak lactation period (postpartum 10-120d):

[0020] When feeding with concentrate supplement, add 0.2% organic microelement premixed feed for dairy cows to the concentrate supplement. The specific formula is: 48.57% corn,...

specific Embodiment approach 1

[0032] Select 60 lactating dairy cows in the middle stage of milk production, group and match them according to age, body condition, parity, lactation days, and similar daily milk production, and divide them into 3 groups, that is, 20 cows in each group, of which 2 groups are used as test groups , one group was used as the control group; the three groups had the same basal diet and the same management method; the control group was fed normally, the test group 1 added 20g of inorganic trace element premixed feed per cow per day, and the test group 2 added organic trace element feed per day per cow Trace element premixed feed 5g.

[0033] (1) Effect of organic trace elements on milk production of dairy cows

[0034] Table 1 Effect of organic trace elements on milk production of dairy cows kg / d.head

[0035] control group Test 1 group Test 2 groups Before the test 25.74 25.76 25.40 After the test 26.92 27.05 28.14 increase 1.18 1.29 2.74 ...

specific Embodiment approach 2

[0064] This experiment was to study the effects of dietary supplementation of organic trace elements on the production, reproductive performance and health status of dairy cows. The test selected 100 healthy Holstein cows (60d dry period) and randomly divided them into two groups, 50 cows in each group. During the dry period, the control group: 400g / kg inorganic trace element premixed feed was added to the diet; the organic trace element group : add 100g / kg organic trace element premixed feed; lactation period, control group: add 600g / kg inorganic trace element premixed feed to the diet, organic ore group: add 160g / kg organic trace element premixed feed.

[0065] The results showed that the content of immunoglobulin in the colostrum of the experimental group was significantly higher than that of the control group (P0.05), and the organic mineral group significantly reduced the number of piglet deaths (P0.05).

[0066] Conclusion: Dietary addition of organic minerals (amino ac...

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Abstract

The invention discloses an organic trace element premix feed for dairy cows, and belongs to the technical field of feed formulas. The premix feed formula comprises the following raw materials in parts by weight: 72 parts by weight of zinc amino acid chelate, 77 parts by weight of manganese amino acid chelate, 42 parts by weight of copper amino acid chelate, 2 parts by weight of iron amino acid chelate, 30 parts by weight of sodium selenite, 30 parts by weight of cobalt chloride, 1 part by weight of potassium iodide, 300 parts by weight of magnesium oxide, 200 parts by weight of methionine hydroxyl calcium salt and 246 parts by weight of a carrier. The trace element premixed feed provided by the invention can ensure the production performance, reproductive performance and health condition of dairy cows while the addition level of organic trace elements is relatively low.

Description

technical field [0001] The invention relates to an organic trace element premixed feed for dairy cows, and belongs to the technical field of feed formula. Background technique [0002] Trace element amino acid chelate refers to a complex chelate synthesized with trace element ions as the central atom through coordination bonds, covalent bonds or ionic bonds with ligand amino acids or low molecular weight peptide bonds; trace element amino acid chelates It has good stability, high biological potency and special physiological functions, and high cost. Currently, it cannot replace the conventional additive form in production. [0003] According to reports, trace element amino acid chelate can make the fur of dairy cows shiny, and can treat pneumonia and diarrhea; feeding calves with amino acid chelated zinc, amino acid chelated copper plus ascorbic acid can treat calf Salmonella infection; In addition to the compound forms of trace elements, the relationship between antagonism...

Claims

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Application Information

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IPC IPC(8): A23K50/10A23K20/20A23K20/28
CPCA23K50/10A23K20/30A23K20/28
Inventor 余长林陈功余成群沈振西曹晓云胥国选李国平王伟荣耀先王丽梅杨勇高远祝勤英牛元力彭雅婷滕晓红
Owner YUNNAN AGRICULTURAL UNIVERSITY
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