Summer temperatures are high and dairy cows are prone to heat stress. In order to reduce the adverse effects of high temperatures on dairy cows, farmers should take measures to increase nutrition for dairy cows to reduce heat emergency and prevent cows from suffering heat stroke.
Feeding Green Forage Green and juicy foods rich in carbohydrates and water not only provide good palatability but also thirst-quenching, which is beneficial for cooling the sun and for mitigating heat stress in cows. Under the premise of ensuring sufficient intake of dry matter, adequate feeding of high quality grass, carrots, wax gourds, watermelons, sweet potatoes, potatoes, etc., is beneficial to improving the milk production of dairy cows and increasing milk fat percentage. Concentrated feed can be used more with some bran, soybean meal and other good palatability feed.
Feed the congee material to convert part of the condiment into congee material, using 1.5 kg of concentrate feed, 1.25-2.5 kg of carrots, 58 kg of water, boiled porridge, let cool, pour on silage, and increase milk urine Amount, take away more calories.
Feeding saltwater bran soup to cows to feed salt bran soup can increase appetite, ensure drinking water, regulate metabolism, and effectively control milk production. Every time a cow feeds 50 kilograms of water, 50 grams of salt is added, and 1-1.5 kilograms of bran are fed 3 times a day.
Feeding mung bean soup mung bean soup has the function of clearing heat and detoxifying, and preventing heatstroke from cooling. Conditional farms (households) should give cows green bean soup in summer. Use fresh green beans 1-1.5 kilograms, add 4-5 kilograms of water, boil for 1-2 hours, add 40 kilograms of clean drinking water, and give cows a Beverage Service daily. 1 time.
Supplemental sodium bicarbonate supplemented with sodium bicarbonate helps to maintain acid-base balance in dairy cows, and also helps digestion, which can increase the intake of dairy cows. The amount of sodium bicarbonate is generally 3.84% of the concentrate, or 340 grams per cow per day; when used together with citric acid, the effect is better. When using sodium bicarbonate, the amount of salt should be appropriately reduced.
When heat stress is applied to the supplemental potassium chloride cows, the potassium output is significantly increased, resulting in a decrease in the amount of potassium in the blood, which must be supplemented with potassium. Potassium chloride can generally be added to cows drinking water or to diets at 60-80 grams per cow per day.
Vitamin C cows produce heat stress, vitamin C synthesis ability decreases, but the demand increases, so the hot summer should pay attention to vitamin C supplementation to cows. In the process of heat stress, vitamin C can also inhibit the rise of body temperature in dairy cows, promote appetite, and increase disease resistance. In the summer, 0.04%-0.06% vitamin C can be added to the cow's feed.
Vitamin E supplementation Vitamin E prevents the oxidation and destruction of fat in dairy cows, prevents the production of oxides in the body, prevents the oxidation of other vitamins, and promotes the absorption of vitamin A and vitamin D in the intestine. In summer, a normal amount of 3-5 times of vitamin E can be added to feed to reduce the risk of heat stress in dairy cows.
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