Perinatal cows refer to cows within 15 days before and after delivery. At this time, the incidence of cows is higher than that in the middle and late periods of lactation. According to statistics, 70 to 80% of the deaths of adult cows occur during this period. Feeding and management at this stage should focus on the health of cows and yaks to prevent diseases.
Cow genital organs are most susceptible to germs before labor. To reduce the risk of infection, cows should be transferred to the delivery room 7 to 14 days before birth. The delivery room must be previously disinfected with 2% caustic soda water, then covered with clean and dry bedding, and establish a routine disinfection system. Before the cows enter the delivery room, they must also undergo sanitization. Their hindquarters and genital area should be scrubbed with 2 to 3% of suds and then wiped with a towel.
Pre-production cows should adopt high-quality hay as the main method, and gradually increase the amount of concentrates. The frail clinical cattle can be appropriately increased and the amount of feeding can be appropriately reduced for over-fertilized cattle. For the cows 7 days before the start of production, additional concentrates may be fed as appropriate. The feed should also be gradually increased. The maximum amount should not exceed 1% of the weight of the cows. This helps the cows to adapt to post-harvest milking and feeding. Variety. For cows with severe edema of prenatal breast, it is not appropriate to feed more concentrates. Within 2 to 3 days before labor, bran content may be properly increased in the concentrate to prevent constipation of cows. Generally, the ratio of dietary crude to crude is 39. :61.
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