Method for increasing number of lambs produced by Northern Guizhou Ma goats

A technology of Ma sheep and ewes in northern Guizhou, which is applied in the field of animal husbandry, can solve problems such as poor results, and achieve the effect of increasing the number of lambs and ovulation of ewes

Inactive Publication Date: 2019-02-15
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current method to increase the number of lambs in livestock is superovulation, but for Qianbei Ma sheep, the effect is not good

Method used

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  • Method for increasing number of lambs produced by Northern Guizhou Ma goats
  • Method for increasing number of lambs produced by Northern Guizhou Ma goats

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A method for improving the number of long lambs of Qianbei Ma sheep is characterized in that it comprises the following steps:

[0015] 1) Select 2-5 year old ewes in good body condition, normal estrus cycle, no reproductive tract diseases, and healthy empty breasts, and sprinkle cephalosporin and other powdered bactericidal drugs on the surface of the sponge vaginal suppository before putting the suppository in order to reduce When inflammation occurs, sponge vaginal suppositories are placed in the vagina of Qianbei Ma sheep ewes to create artificial corpus luteum, and inhibit the development of follicles in Qianbei Ma sheep to suppress their estrus;

[0016] 2) On the 11th day, the thrombus was withdrawn, and 300 IU gonadotropin was injected intramuscularly into the neck;

[0017] 3) 8 hours after the injection of gonadotropin, the rams were used to test the estrus, and the estrous ewes were tested twice in a row.

Embodiment 2

[0019] A method for improving the number of long lambs of Qianbei Ma sheep is characterized in that it comprises the following steps:

[0020] 1) Select 5-year-old captive-bred Qianbei Ma sheep ewes with good body condition, normal estrus cycle, no reproductive tract diseases, and healthy empty breasts. Sprinkle cephalosporin and other powdered bactericidal drugs on the surface of the sponge vaginal suppository before placing the suppository to reduce inflammation. , placing a sponge vaginal suppository in the vagina of Qianbei Ma sheep ewes to create an artificial corpus luteum, and inhibit the development of follicles in Qianbei Ma sheep to suppress their estrus;

[0021] 2) On the 12th day, the thrombus was withdrawn, and at the same time, 330 IU gonadotropin was injected intramuscularly into the neck;

[0022] 3) 8 hours after the injection of gonadotropin, the rams were used to test the estrus, and the estrous ewes were tested twice in a row.

Embodiment 3

[0024] A method for improving the number of long lambs of Qianbei Ma sheep is characterized in that it comprises the following steps:

[0025] 1) Select 3-year-old captive-bred Qianbei Ma sheep ewes with good body condition, normal estrus cycle, no reproductive tract diseases, and healthy empty breasts. Sprinkle cephalosporin and other powdered bactericidal drugs on the surface of the sponge vaginal suppository before placing the suppository to reduce inflammation. , Place a sponge vaginal suppository in the vagina of Qianbei Ma sheep ewes to create an artificial corpus luteum, and inhibit the development of follicles in Qianbei Ma sheep to suppress their estrus;

[0026] 2) On the 13th day, the thrombus was withdrawn, and at the same time, 350 IU gonadotropin was injected intramuscularly into the neck;

[0027] 3) 8 hours after the injection of gonadotropin, the rams were used to test the estrus, and the estrous ewes were tested twice in a row.

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Abstract

The invention discloses a method for increasing the number of lambs produced by Northern Guizhou Ma goats. Artificial corpus luteum is made, the corpus luteum in a body is combined to suppress development of ewe follicles, after thrombus removal, a large amount of gonadotropin is injected and is multiple times of the conventional dosage, the amount of ovulation is greatly increased, and the numberof the lambs produced by the fertilized ewes is greatly increased.

Description

technical field [0001] The invention relates to the technical field of animal husbandry, in particular to a method for increasing the litter size of Qianbei Ma sheep. Background technique [0002] Qianbei Ma sheep is one of the three excellent local goat breeds in Guizhou Province. This breed is the product of long-term breeding and natural selection by the working people in the production area, and has good adaptability to the local natural ecological conditions. It has the characteristics of resistance to rough feeding, strong disease resistance, wide adaptability, delicious and tender meat, good quality hides, and excellent production performance. At present, the number of lambs in Qianbei Ma sheep is mostly single or double lambs. If the number of lambs can be increased, more economic benefits can be brought. And the current method to improve the lambing number of domestic animals is superovulation, but for Qianbei Ma sheep, the effect is not good. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 陈祥韦仕南骆金红敖叶李鹏程
Owner GUIZHOU UNIV
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