genetic factors
This is the main factor affecting the reproduction rate of livestock. The fertility of different breeds, strains and families is very different.
Nutritional factors
Daily energy consumption Crude protein, vitamins and other nutrients are insufficient, not only affect the normal growth and development of young cows, but also delayed sexual maturity and age of mating age.
envirnmental factor
Cows have reduced fertility rates during hot summer months.
The quality of cold precision and the factors of insemination
Poor semen quality not only affects the cow's conception rate, but also can cause cow reproductive disease. The level of insemination technology is an important factor influencing the reproductive rate. Improper seizure of estrus insemination time will also affect the fertility rate of breeding.
Disease factors
The disease of the reproductive system, the diameter affects the normal reproductive function.
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