Key points of Prevention of mastitis in breeding Dairy cows

99.5% of cow mastitis is caused by bacterial infections in 1 to 4 milk areas, most of which enter through nipples. Therefore, attention should be paid to maintaining environmental hygiene. The design of the cowbed should be reasonable, there should be enough grass matting and timely replacement; timely cleaning of feces to keep the playground dry and clean; frequent brushing of the cow body, especially to keep the hindquarters and tail clean; the feeding density should be reasonable to avoid air pollution.

Strengthen milking management to scrub the cow's breasts before milking, make sure that a cow has a towel, change the water once, wipe the nipple first, then wipe the milk area, and finally scrub the mirror. Bathing nipples before and after milking will have a good effect on the prevention of mastitis. The use of machine milking should also pay attention to the cleaning and disinfection of the equipment before and after each milking, and the milking equipment should be regularly overhauled and effectively maintained.

Reasonable preparation of diet nutrition should be balanced, according to feeding standards, dairy cow diet with adequate vitamins, especially vitamin A, vitamin D, vitamin E, and rich in major elements and trace elements.

To strengthen the nursing of dry dairy cows, the rapid drying method should be adopted. After the last milking, each milk area should be treated with medicine immediately, and the nipple medicine bath should be taken once a day in the first 7 to 10 days of dry milk.

Strengthening the Nursing of Perinatal Dairy cows

Nipple medicine bath once a day 7-10 days before calving, breast edema was found in newborn cows. To control the amount of salt in their diets, milk them by hand, and remember that they should never be milked by machine before the edema disappeared.

Strengthen the daily management of the herd to avoid mechanical damage during the calf period to remove the horns and avoid scratching the breasts during fighting. The cowshed door should be wide enough, the floor and bed should not be smooth, and the coaxing should be slow to avoid cow crowding and slipping. The trough and feed trough should be wide enough to avoid cattle grabbing water and materials as far as possible. Reduce the change of group, and the transition should be arranged at night as far as possible.