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Heat-stress alleviant for milk-cow, prepn. method and application thereof

A heat stress, dairy cow technology, applied in application, animal feed, additional food elements, etc., can solve problems such as poor effect and ineffective milk production, and achieve the improvement of microbial fermentation ability, reduce morbidity, and increase content Effect

Inactive Publication Date: 2007-10-31
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology is mainly to add rumen fat to increase the energy concentration of the diet; add rumen buffer to prevent rumen acidosis caused by the reduction of roughage intake of dairy cows and overeating of concentrate; add Chinese herbal medicine additives; increase the concentration of electrolytes in the diet; Vitamins, trace element additives, etc. are used, but most of the reported technologies are limited to a single nutrient regulation technology. For dairy cows, the use of a single nutrient regulation technology to solve the heat stress problem of dairy cows is often ineffective (increased milk production of dairy cows) range is below 2.30kg) or has no effect on milk production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh raw material sodium selenite 12.60kg, copper sulfate 7.20kg, zinc sulfate 19.29kg, cobalt sulfate 2.70kg, calcium iodate 6.30kg, manganese sulfate 11.32kg, potassium chloride 1005.32kg, sodium bicarbonate 994.74kg, magnesium oxide 498.91kg, carrier (zeolite powder) 591.62kg mix uniformly to obtain A premix 3150Kg;

[0023] Weigh raw material organic chromium (yeast chromium or nicotinic acid chromium) 27.00kg, yeast culture (brewer's yeast or aspergillus oryzae and its growth substrate) 90.00kg, nicotinic acid 55.00kg, vitamin A 1.80kg, vitamin D0.30kg, Vitamin E 7.20kg, antioxidant (ethoxyquinoline) 0.17kg, carrier (corn gluten powder) 268.53kg mix uniformly to obtain B premix 450.00Kg.

[0024] The above-mentioned A premix and B premix are separately packaged and stored, and mixed at a ratio of 7:1 during use to make a heat stress relieving agent for dairy cows, and mixed into the dairy cow’s diet concentrate at a ratio of 3-5%. In the feed, it can be fed to da...

Embodiment 2

[0027] Weigh 21.6 kg of sodium selenite, 11.16 kg of copper sulfate, 29.57 kg of zinc sulfate, 3.78 kg of cobalt sulfate, 12.15 kg of calcium iodate, 25.47 kg of manganese sulfate, 1005.32 kg of potassium chloride, 994.74 kg of sodium bicarbonate, and 498.91 kg of magnesium oxide kg, carrier (zeolite powder) 547.30kg mixes to obtain A premix 3150Kg;

[0028] Weigh raw material organic chromium (yeast chromium or nicotinic acid chromium) 54.00kg, yeast culture (brewer's yeast or aspergillus oryzae and its growth substrate) 225.00kg, nicotinic acid 117.00kg, vitamin A 2.79kg, vitamin D0.41kg, Vitamin E 10.80kg, antioxidant (ethoxyquinoline) 0.17kg, carrier (corn gluten powder) 39.83kg mix uniformly to obtain B premix 450Kg.

[0029] The rest of the preparation and application steps are the same as in Example 1.

[0030]The above products were fed to 100 dairy cows from June 1st to September 1st (temperature and humidity index THI>70), increasing milk production by 6.26% (1.10kg...

Embodiment 3

[0032] Weigh raw material sodium selenite 24.30kg, copper sulfate 9.00kg, zinc sulfate 38.57kg, cobalt sulfate 4.05kg, calcium iodate 13.50kg, manganese sulfate 25.47kg, potassium chloride 1005.32kg, sodium bicarbonate 994.74kg, magnesium oxide 498.91kg, carrier (zeolite powder) 536.14kg are mixed homogeneously to obtain A premix 3150Kg;

[0033] Weigh organic chromium (yeast chromium or nicotinic acid chromium) 80.00kg, yeast culture (brewer's yeast or Aspergillus oryzae and its growth substrate) 180.00kg, niacin 144.00kg, vitamin A 3.42kg, vitamin D 0.54kg, vitamin E 12.96kg, antioxidant (ethoxyquinoline) 0.17kg, carrier (corn gluten powder) 28.91kg mixes and obtains B premix 450Kg.

[0034] The rest of the preparation and application steps are the same as in Example 1.

[0035] The above-mentioned products were fed to 100 dairy cows from June 1st to September 1st (temperature and humidity index THI>70), increasing milk production by 5% (0.88kg / head.day).

[0036] The prep...

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PUM

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Abstract

A feed additive for relaxing the hot stress reaction of milk cow in the summer is prepared from organochromium, cultured yeast, nicotinic acid, VA, VD, VE, sodium selenite (or yeast selenium), copper sulfate, zinc sulfate, cobalt sulfate, calcium iodate, manganese sulfate, etc.

Description

technical field [0001] The invention relates to a feed additive for dairy cows, in particular to a relieving agent specially used for relieving the heat stress response of dairy cows in summer high temperature season, as well as its preparation method and application. Background technique [0002] As we all know, like most countries in the world, most of the dairy cows raised in China are Holstein cattle. Holstein cows are relatively resistant to cold and heat, and their more suitable ambient temperature is 10-16°C. When the temperature rises above 23°C (relative humidity is 80%), this breed of cows will experience a decrease in feed intake and milk production. Heat stress symptoms such as reproductive dysfunction and the deterioration of the health of dairy cows lead to a series of health problems such as ruminal acidosis, ketosis, and retained placenta. [0003] There have been many researches on how to alleviate the heat stress of dairy cows through nutritional regulatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/16A23K10/30A23K20/10A23K20/105A23K20/174A23K20/20A23K20/22A23K20/24A23K50/10
Inventor 梁学武张龙涛
Owner FUJIAN AGRI & FORESTRY UNIV
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