2024-09-23
The female dog is allowed to mate for a long time, and the ovulation time is dif...
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We all know that the cost of raising pigs, cattle and sheep is very high. In add...
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2024-09-20
When satisfactory results cannot be obtained under natural breeding conditions, ...
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2024-09-20
BXL-v60 veterinary ultrasonic instrument detection in a cattle farm of a group i...
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