Dairy cows are cold and heat-fighting, so the cooling of the sun should be used as a central link in summer to protect dairy cows, in order to reduce the incidence of cow diseases and reduce summer stress, so that the amount of milk production in summer remained stable.
First, reduce radiant heat Use materials with good insulating properties to build roofs or add ceilings, paint white spray on roofs and surrounding walls, and use white reflection of sunlight to reduce reflected heat and radiant heat. Moderately grow trees and grasses around cowsheds and playgrounds to reduce solar radiation, prevent hot gas from entering the cowshed and improve the microclimate of cattle farms. Conditions can be used for planting and breeding. Planting vine plants around the pergola, such as grapes, guava, loofah, chayote, etc., will have a better cooling effect. Brushing the cow body frequently also facilitates the body's heat dissipation.
Second, build a cooling cement pool to build a cement pool, the pool at both ends of a gentle slope, the pool into the 1-1.5 meters deep clean water, the pool to build pergola, can also be installed sprinkler system. Dairy cows can bathe in the pool in hot summer (be careful to keep the pool water clean). The spray system on the top sprays water down, which is very effective for the cows to reduce body temperature.
Third, the construction of spray pergola Many cows have built a pergola on the sports field, pergolas with a height of 5 meters is appropriate, the material of the ceiling should have good thermal insulation properties and a small radiation coefficient, the ceiling should be built to tilt for air circulation. On sunny days, cows can take cold and rain can prevent rain. If you build a arbor, cows shower under the arbor, the cooling effect is better.
Fourth, to ensure the ventilation of the cowshed should be built in a well-ventilated place, and promote the heat and moisture in the cowhouse. When the temperature is high, vents or doors and windows must be opened to promote air circulation in the barn. Conditional electric fans can be installed in the cowshed so that each cow can blow to the wind.
Fifth, scientific feeding feeds should be used in the feeding methods of dairy cows in summer. Timbers should be fed 4 times a day. However, it should be noted that the maximum proportion of dietary concentrate should not exceed 60%, so as not to affect the milk fat rate and the occurrence of metabolic disorders. In summer, more feeds should be given to dairy cows, such as green, tender, juicy, and high-protein feeds (such as clams, squash, wax gourds, watermelon rinds, carrots, etc.), which are conducive to cooling, and must not be fed with mildew and dew. The feed. Since the 2-3 hours after the intake is the peak stage of heat production, in summer feeding time, it should be selected to increase the feeding during the night when the temperature is relatively low during the day. In particular, rough materials should be arranged from 8pm to 5am. At the same time, we must also pay attention to preventing the accumulation of fermentation rancidity in the feed tank. In the hot summer, mineral deficiencies are often caused, so the amount of calcium, phosphorus, magnesium, sodium, potassium, etc. should be increased.
Six, for the clean drinking water Dairy cows in the summer water consumption is about 100 kg per day, usually the use of free drinking water, to keep the water clean and cool, if necessary, increase drinking water facilities. The best water temperature is 10°C. Cool water helps cows to lower their body temperature and increase their appetite. Change the feeding of congee material, the effect is also very obvious. Conditional cow farms can properly drink mung bean soup to cool off. Do not drink water that has been deteriorating for a long time.
VII. Regular Sanitization During the midsummer period, bacteria and other pathogenic microorganisms multiply rapidly. Clean the cowshed frequently, brush and wash the feeding trough and sink; clean the cowhouse excrement, keep the cowshed and surrounding sanitation, and strictly sterilize regularly.
Eight, in time to eliminate mosquitoes and flies 1 cowshed plus screen door screens to prevent mosquitoes and flies into the house; 2 cattle and cattle farms around the water, sewage tanks, septic tanks should be built outside the cattle farm wall, stamped and sealed , not only safe, but also can prevent mosquitoes and flies; 3 in the cowshed and around the cowshed to eliminate mosquitoes and flies; 4 keep cow beds, aisles and other clean, dry, timely and correct treatment of excreta, filling the nearby sewage pit .
IX. Active prevention and treatment of diseases Cows will be examined about half a month after giving birth. They will examine genital organs and find that the disease is treated promptly. It is also necessary to prevent and cure other diseases such as mastitis and metritis in a timely manner.
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