How long does the cow play the fence after calving?

Cow fencing is a physiological phenomenon, indicating that the cow has entered the stage of estrus. In the process of breeding, it is necessary to match the fencing time of cows to breed. How long does the cow play the fence after calving?

1. How long does the cow play the fence after calving?

After giving birth, cows usually need an interval of 40 days to enter the fencing period. Cow fencing is divided into three stages, with a duration of 6 hours in the early stage, 3 hours in the middle stage and 15 hours in the later stage. Mating is suitable for medium-term breeding, but its time is relatively short, so farmers should always understand the symptoms of cow fencing and breed in time.

Second, the advance method of cow fencing.

1. Nutritional supplement should be paid attention to in the process of feeding. Nutrients such as bone meal, minerals and trace elements can be added to the feed to help cows grow. At the same time, appropriate amount of vitamin E can be supplemented, and fresh grass can be supplemented occasionally.

2. Fencing in advance can be promoted by manual means, and prostaglandins, estrogens, triad hormones and other agents should be used reasonably according to the feeding condition, fencing condition and physical condition of cows.

3. As long as the postpartum cow recovers well, it can also be fenced in advance. In the cow recuperation stage to increase its protein, calcium intake, adequate water supply, at the same time let it have a good rest, the right amount of exercise. Feeding cows and calves in separate circles can also promote cow recovery and early fencing. Generally speaking, it is more beneficial to the health of a cow to play hurdles after 60 days of postpartum rest.

The fencing period of cows is more concentrated in late spring and early summer, and the fencing rules of different breeds of cows are also different. the proestrus of cows is earlier than that of beef cattle, while that of yaks is relatively late. Farmers should breed according to their own breeding conditions.