[ Agricultural Products Network] Some farmers have asked how the summer dairy cows should supplement their nutrition. How to improve the milk production of cows?
One is to supplement sodium bicarbonate. Generally comprise sodium bicarbonate in an amount of 3.84% or concentrate per head per day with 340 g cows. Citric acid used simultaneously with the better, but it should be noted that sodium bicarbonate is used to reduce the amount of food a suitable salt.
The second is to supplement potassium chloride. Generally, potassium chloride can be added to the cow's drinking water or in the diet, and the amount added is 60 to 80 grams per cow per day.
The third is to add vitamins. In summer, it is generally possible to add 0.04% to 0.06% of vitamin C to the cow's feed . Vitamin C can inhibit the body temperature of the cow, increase appetite and improve disease resistance. At the same time, a normal amount of vitamin E can be added to the feed by 3 to 5 times to reduce the risk of heat stress in the cow. Vitamin E prevents the oxidation and destruction of fat in dairy cows, prevents the formation of oxides in the body, prevents other vitamins from being oxidized, and promotes the absorption of vitamin A and vitamin D in the intestines.
The fourth is to supplement the forage powder to increase the sputum. The straw pulverizer is pulverized by a hammer mill to a length of about 2 cm. If the sieve bottom is too fine, it should be replaced with a large mesh sieve with a pore size of 1 to 2 cm. The grass powder is mixed with warm water at 30 ° C ~ 40 ° C, hand kneaded into a mass, the hands are loosely opened, and then piled into a 40 cm thick square pile, the upper cover sack piece is fermented, the temperature inside the pile reaches 40 ° C ~ 50 ° C, smells Qu Xiang can be fed. Fermented grass powder should be diluted to prevent temperature from decaying and deteriorating. Yaks cannot feed grass powder. Per 100 kg fermentation meal plus 1 kg of salt, 0.5 kg bone meal, or rice bran 30 kg Yu, okara other nutritional meal to fattening.
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