First, do a good job in improving the environment and sanitizing work
To provide postpartum dairy cows with spacious free bar and wide feed troughs. Post-partum cows have a number of free parallax deployments: typically 1.2 to 1.3 times the number of postpartum cows; postpartum cows generally have 85 to 95 centimeters of feeding trough width. Post-harvest cows should not be fed for more than one hour each time, so that the post-partum cows can freely and comfortably lie down and move.
Clean the cowsheds and cattle beds on a daily basis, clean them, disinfect them, and replace them with fresh alfalfa or wood chips. Weekly thorough cleaning and disinfection of the cowshed and cattle bed. Maintain good hygiene in the delivery room of cows and reduce postpartum metritis and endometritis infections. Prevent the effects of cold and heat stress on postpartum dairy cows. Attention to wind and warmth in winter; ventilation and cooling in summer.
Second, the post-natal dairy cattle care focus
1. Use a crayon on the postpartum cow to write the date of the calving and mark it for easy observation and recording.
2. Postpartum cows should be given 300 ml of propylene glycol and supplemented with calcium supplements within 2 hours, and those with poor health should be given a calcium dose every 12 hours.
3. For cows within 7 to 10 days after childbirth, the body temperature test should be performed twice a day, and record analysis should be done; if the body temperature of cattle is higher than 39.5 degrees, 20-ml intramuscular injection of cephalosporin should be given to these post-natal calves for 3 consecutive days. / Day and add Antipyretic analgesics until body temperature and appetite return to normal.
4. Postpartum cows with dystocia, birth canal injury, postpartum pain, and placenta retention should be given 3 to 5 days of continuous injection of ceftiofur Antibacterial and anti-inflammatory drugs, and other comprehensive treatment measures should be taken depending on the circumstances.
5. Cows should be fed with good palatability, easy to digest, high-energy, high-protein, and balanced TMR full-mixed diet during the postnatal period of 0-21 days, carefully feeding, promoting appetite and increasing feed intake. To ensure that the postpartum dairy cows drink water, they should be able to drink clean water 24 hours a day, cold weather in winter, drinking water temperature is not less than 15 °C ~ 20 °C.
Third, timely open milk inspection and evaluation of milk quality
After the cows have calves within 1 to 2 hours, they will have to open the milk for the newly delivered cows in time. Before the formal opening of the milk, the detection of subclinical mastitis should be carried out, and follow-up examinations should be made for the diagnosis and treatment of the disease.
All postpartum cows must undergo milk sampling tests before opening milk. Milk samples should be collected according to the aseptic procedures when milk samples are collected. After passing the laboratory tests, milk can be opened. All dairy cows that have been delivered in labor must start milking for the first time, and milk that squeezes the breasts must not be squeezed. The first milking amount is generally 1/5 of the normal milk production, and gradually increases afterwards. Generally, the normal milking amount can be reached after 4 days. Post-partum dairy cows are milk-tested, and it is determined that the colostrum is healthy, and colostrum milking can be officially performed, and the calf is fed with colostrum in time.
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