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Compound type feed for dairy cattle and preparation method thereof

A dairy cow feed and compound technology, which is applied in the direction of animal feed, animal feed, and animal feed molding or processing, can solve the problems of unstable adsorption of medical stone, difficult to mix the feed evenly, and affect the feed preparation, etc., to improve the activity. and feed utilization, improving milk quality, increasing umami and palatability

Inactive Publication Date: 2019-01-18
黄拥亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with inorganic rare earths, organic rare earths have a more obvious effect on improving the production performance and economic benefits of dairy cows, but organic rare earths are easy to absorb moisture and agglomerate in the air, have poor fluidity and strong adsorption, and are easily adsorbed on feed when mixed with feed. Feed surface, not easy to mix evenly with feed
Before batching, the rare earth should be fully mixed with the quantitative medical stone to make the rare earth and medical stone adsorb each other, and then sent to the mixer to mix with the feed. Components clump together, affecting feed preparation and failing to achieve better results

Method used

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  • Compound type feed for dairy cattle and preparation method thereof
  • Compound type feed for dairy cattle and preparation method thereof
  • Compound type feed for dairy cattle and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A composite dairy cow feed, the feed includes lanthanum oxide nanoparticles, and the average particle diameter of the nanoparticles is 18 nm. Nanoparticles have better particle flow performance and dispersion performance, do not agglomerate, and the absorption utilization rate and biological activity of nanoparticles are higher, which can improve the rumen microflora of ruminants and maintain a stable acidic environment in the rumen. The ratio of various microorganisms can reach Ideally, it can promote the effective utilization of nutrients in the rumen to activate growth factors in animals, increase the activity of digestive enzymes in the animal body and feed utilization, improve animal gastrointestinal functions, and increase milk production and milk quality in dairy cows. It has the function of promoting digestion and absorption, sterilization and detoxification.

[0035] The preparation steps of sodium oxide nanoparticles are as follows: take the prepared precursor la...

Embodiment 2

[0049] A composite dairy cow feed, the feed includes lanthanum oxide nanoparticles, the average particle size of the nanoparticles is 20nm, the raw materials and weight parts of the feed are as follows: 12 parts of corn germ, 7 parts of beer yeast powder, 7 parts of wheat Parts, 10 parts of alfalfa, 4 parts of calcium dihydrogen phosphate, 13 parts of puffed mixed meal, 4 parts of rumen-protected methionine, 4 parts of rumen-protected lysine, and 3 parts of lanthanum oxide nanoparticles.

[0050] The method for preparing the above compound dairy cow feed includes the following steps:

[0051] 1) Preparation of the precursor lanthanum oxalate: grind lanthanum chloride and sodium oxalate separately and mix them thoroughly. The molar ratio of lanthanum chloride and sodium oxalate is 2.5:3, and then grind together for 45 minutes, and then add hot water to form a suspension , Suction filtration 2 times, and then rinsed with absolute ethanol 2 times, the filter cake is dried at 85°C to o...

Embodiment 3

[0058] A composite dairy cow feed, the feed includes lanthanum oxide nanoparticles, the average particle size of the nanoparticles is 22nm, the raw materials of the feed and their weight parts are as follows: 14 parts of corn germ, 8 parts of beer yeast powder, 8 parts of wheat Parts, 11 parts of alfalco, 3.5 parts of calcium dihydrogen phosphate, 14 parts of puffed meal, 4 parts of rumen-protected methionine, 4 parts of rumen-protected lysine, 4 parts of lanthanum oxide nanoparticles.

[0059] The method for preparing the above compound dairy cow feed includes the following steps:

[0060] 1) Preparation of the precursor lanthanum oxalate: grind lanthanum chloride and sodium oxalate separately, and mix them thoroughly. The molar ratio of lanthanum chloride and sodium oxalate is 2.5:3, and then grind together for 48 minutes, and then add hot water to form a suspension , Suction filtration 3 times, and then rinsed with absolute ethanol 2 times, the filter cake is dried at 90°C to ob...

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Abstract

The invention provides compound type feed for dairy cattle and belongs to the technical field of processing of technical field of processing of biological feed. The feed contains lanthanum oxide nanoparticles; the average grain diameter of the nanoparticles is 10 to 50nm; the invention further provides a preparation method of the feed for the dairy cattle; after miscellaneous meal is puffed, the miscellaneous meal is mixed with maize germs, beer yeast powder, wheat, alfalfa and calcium dihydrogen phosphate; then a mixture is crushed; then after the prepared lanthanum oxide nanoparticles and rumen amino acids are uniformly mixed, a mixture is granulated to prepare feed grains. The compound type feed for the dairy cattle, provided by the invention, has good umami and palatability, good flowability and dispersity and does not have agglomeration and excessive covering phenomena; the absorption and utilization rate is high, relatively high bioactivity is kept and a lactation peak period canbe prolonged, and the milk yield of the dairy cattle and the quality of milk are increased; a preparation method of the feed has low cost and a formula is reasonable; an additional solvent is not needed, and the utilization rate and yield of raw materials is high; and reaction conditions are easy to grasp.

Description

Technical field [0001] The invention belongs to the technical field of biological feed processing, and specifically relates to a composite dairy cow feed and a preparation method thereof. Background technique [0002] Whether the nutritional needs of dairy cows are met or not is an important limiting factor for their full production performance. Natural feed is far from satisfying the nutritional needs of high-yield dairy cows. In order to maintain high-yield dairy cows and maintain their health, it is necessary to adopt high-tech, high-efficiency nutritious feeds to promote dairy cow production and maintain dairy cow health. Improve the palatability of feed, increase the utilization rate of feed, reduce production cost, and achieve the goal of "three highs". [0003] Protein is the main raw material for milk protein synthesis and one of the main restrictive nutrients in lactating dairy cows' diets. Protein is degraded by rumen microorganisms in the rumen and synthesizes microbia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/18A23K10/30A23K10/37A23K20/142A23K20/20A23K20/26A23K40/10A23K50/10
CPCA23K10/18A23K10/30A23K10/37A23K20/142A23K20/26A23K20/30A23K40/10A23K50/10Y02P60/87
Inventor 黄拥亮
Owner 黄拥亮
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