Handling method for estrus synchronization of yaks
A processing method and technology for yak, applied in the field of animal husbandry and breeding, can solve problems such as unsatisfactory effects, and achieve the effects of good corpus luteum formation, reduction of human and material resource consumption, and shortening of breeding period.
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[0015] Example 1
[0016] A method for treating yak estrus at the same time includes the following steps:
[0017] S1. Form a yak herd that is to be in estrus at the same time. Cows are required to be healthy and disease-free, especially free from reproductive diseases, aged between 3.0-8.0 years old, more than 2 months after calving, and in moderate condition;
[0018] S2. One month before the start of estrus in the same period, the cattle herd in estrus organized in step S1 shall be supplemented with trace element salt bricks, with an average daily supplementary feeding amount of 50g;
[0019] S3. On any day of the yak estrus cycle, intramuscularly inject vitamin AD into the cow herd in step S2, with an injection volume of 5ml / head;
[0020] S4. Place CIDR on the cow in step S3 with a special plug release device;
[0021] S5. On the 8th day after CIDR was put on, the cow herd of step S4 was injected with chloroprostenol PG, the injection amount was 0.2 mg per yak;
[0022] S6. On the 3r...
Example Embodiment
[0024] Example 2
[0025] A method for treating yak estrus at the same time includes the following steps:
[0026] S1. Form a yak herd that is to be in estrus at the same time. Cows are required to be healthy and disease-free, especially free from reproductive diseases, aged between 3.0-8.0 years old, more than 2 months after calving, and in moderate condition;
[0027] S2. One month before the start of estrus in the same period, the cattle herd in estrus organized in step S1 shall be supplemented with trace element salt bricks, with an average daily supplementary feeding amount of 65g;
[0028] S3. On any day of the yak estrus cycle, intramuscularly inject vitamin AD into the cow herd in step S2, with an injection volume of 5ml / head;
[0029] S4. Place CIDR on the cow in step S3 with a special plug release device;
[0030] S5. On the 8th day after the CIDR was put on, the cow herd of step S4 was injected with chloroprostol PG, the injection amount was 0.3 mg per yak;
[0031] S6. On the ...
Example Embodiment
[0033] Example 3
[0034] A method for treating yak estrus at the same time includes the following steps:
[0035] S1. Form a yak herd that is to be in estrus at the same time. Cows are required to be healthy and disease-free, especially free from reproductive diseases, aged between 3.0-8.0 years old, more than 2 months after calving, and in moderate condition;
[0036] S2. One month before the start of estrus in the same period, the cattle herd in estrus organized in step S1 shall be supplemented with trace element salt bricks, with an average daily supplementary feeding amount of 80g;
[0037] S3. On any day of the yak estrus cycle, intramuscularly inject vitamin AD into the cow herd in step S2, with an injection volume of 5ml / head;
[0038] S4. Place CIDR on the cow in step S3 with a special plug release device;
[0039] S5. On the 8th day after CIDR release, inject chloroprostenol PG into the cow herd of step S4, the injection volume is 0.4 mg per yak;
[0040] S6. On the 3rd day afte...
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