Maintaining the appropriate temperature, the critical temperature for dairy cows to produce milk is 22°C. It is difficult to reach this temperature in the early spring except for raising cows in warm houses. At the very least, the temperature should be maintained at 13°C.
Ensure that the nutrition is comprehensive. In the spring, on the basis of feeding the cows with hay or silage, the nutritional level of the dairy cows' diets should be appropriately increased. Reference feed formula: cornmeal 60%, soybean cake 20%, bran 10%, fat 3%, salt 1.5%, bone meal 2%, baking soda 1.5%, and milk promotion premix 2%. If there is no green feed, 5-7 kg of chopped carrots, potatoes, or fresh cabbage leaves should be fed daily. On the basis of the normal milk production of dairy cows, the dairy cows should be fed 1.5 to 2 kg of mixed concentrates for every 4 kg of milk produced.
Supplying sufficient amount of warm water, if the cow is fed cold water in the spring, the cow will consume a lot of body heat and reduce the milk production; insufficient drinking water will cause some diseases of the cow. Therefore, it should be noted that in the spring, the cows can supply enough warm water of about 18°C.
To keep the pens clean, the drying of the dairy cows is conducive to heat preservation. Therefore, the cowshed must be filled with more mats, be used for hay, and the excrement should be promptly removed, and lime powder or ash should be often scattered in the houses. This will not only reduce the humidity in the dairy house, but also prevent and cure the disease.
Adhere to the sun, in fine weather, at least let the cows exercise for at least two hours a day, and then lead it to the sun leeward sunny place, strengthen the blood circulation of dairy cows, kill the parasitic bacteria of dairy cows, help and promote the digestion of dairy cows , to improve the body and milk production of dairy cows.
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