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Method for increasing conception rate of cows

A conception rate, cow technology, applied in the field of medicine, to achieve the effect of being conducive to implantation and purifying the uterus

Inactive Publication Date: 2015-09-02
科尔沁牛业南阳有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above situation, in order to solve the defects of the prior art, the purpose of the present invention is to provide a method for improving the conception rate of cows, which may significantly improve the conception rate of cows.

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  • Method for increasing conception rate of cows

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Embodiment Construction

[0010] A method to improve the conception rate of cows. Firstly, the external observation method or bull test method is used to identify the estrus of cows, and the rectal examination is carried out on the follicle development of cows to accurately determine the ovulation time. According to the estrus identification of cows, artificial 1 to 2 hours before insemination, inhale 2ml of 0.2mg prostaglandin with the vas deferens, and inject it into the bifurcation of the cervix. Two hours later, follow the fixed steps for artificial insemination. The vas deferens is made of a glass syringe, the length of the vas deferens is 40 cm, the end of the vas deferens is not equipped with a needle, and it is sterilized by high temperature before use.

[0011] The specific experimental operation is as follows:

[0012] From 1997 to 2015, we went through three stages: farmer experiment, intermediate experiment and scale experiment. The above-mentioned method significantly increases the concep...

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Abstract

The invention relates to a method for increasing the conception rate of cows. Firstly, oestrus of the cows is identified through an external observation method or a teasing bull method, rectal palpation is performed on the follicular development of the cows, and ovulation time is accurately determined; according to the oestrus identification on the cows, 1 h-2 h before artificial insemination, 0.2 mg and 2 ml of prostaglandin is sucked into a seminiferous duct and injected into the crotch of the cervix uterus; after 2 h, artificial insemination is performed according to fixed steps. By means of the method, the production cost of the animal husbandry can be effectively lowered, the profit of the breeding industry can be increased, and the development of the planting industry, the transportation industry and the fodder processing industry can be promoted. The half-life period of the prostaglandin is short, and the prostaglandin will not remain in milk. The method has the advantages that the treatment effect is remarkable and operation is easy, meets the requirement for agricultural sustainable development, has good ecological environmental protection characteristics, can bring great economical benefits, social benefits and ecological benefits and has broad application and popularization prospects.

Description

technical field [0001] The invention relates to the field of medicine, in particular to a method for improving the conception rate of cows. Background technique [0002] Prostaglandins were first discovered to exist in human semen. At that time, it was believed that this substance was released by the prostate gland, so it was named prostaglandins. It has been proved that the prostaglandins in semen mainly come from the seminal vesicles, except that many tissue cells in the whole body can produce prostaglandins. There are many types of prostaglandins, including 20 types, 9 types, and 3 categories. The chemical nature of prostaglandins is a 20-carbon unsaturated fatty acid composed of a five-membered ring and two side chains. According to their structure, prostaglandins are divided into A, B, C, D, E, F, G, H, I and other types. Different types of prostaglandins have different functions. Prostaglandin F is mostly used to treat dairy cows, beef cattle with retained placenta...

Claims

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Application Information

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IPC IPC(8): A61D19/00
CPCA61D19/02A61D19/027
Inventor 王建钦董应臣王风勤曾浩张玲梁玉发杜俊峰刚志敏陈明阳闫兴华高素珉
Owner 科尔沁牛业南阳有限公司
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