With the improvement of people’s living standards and health awareness, people’s demand for milk is increasing. Under this background situation, China's dairy industry is developing at an unprecedented rate and the number of dairy cows has reached 4.5 million. According to the analysis of milk quantity by the experts of the Ministry of Agriculture and the EU, by 2030, the number of dairy cows in China will reach more than 15 million. With the development of economy and the improvement of science and technology level, selection of dairy cow breeds is the premise of raising milk production. Feeding management technology is the key to the productivity of dairy cows. Internal and external factors must be organically combined to achieve stable and high yields.
Fermentation of cattle feed with a goldfish feed starter
First, a good home environment
Increase the greening of the plantation area, absorb transpiration and photosynthesis of plants, absorb solar radiation, absorb water through the roots of plant, absorb a large amount of heat and cool down, cool the air, and reduce the temperature of the ground, so as to radiate to the roof, exterior wall and The heat of the doors and windows is reduced, and the shade of trees blocks the sunlight from penetrating into the room and lowers the temperature inside the house.
Strengthen the cow house insulation ventilation design. In the cowshed design, pay attention to the design of the interior doors and windows, try to build an open or semi-open cowshed, and reduce the physical walls to block the ventilation structure. At the same time, use materials with small thermal conductivity to enhance the thermal insulation of roofs and walls. Secondly, the use of light-colored building materials for the external structure, especially the roof, has a certain significance for mitigating the strong sunlight effects on the house.
Necessary cooling equipment and cooling measures. Dairy cows can be cooled by spraying to relieve cows from heat stress. Using a sprinkler or drilling water pipe, the cows are sprayed. Generally, the spray is performed automatically every 5 minutes to 10 minutes, each time for about 30 seconds, and then alternately performed with a fan for 3 minutes to 5 minutes.
Fermentation of cattle feed with a goldfish feed starter
Second, a good feeding method
Appropriately improve the diet of dairy cows. In the summer, hay should be fed as little as possible to reduce the amount of roughage. Increase the content of protein and fat in the diet, increase the amount of corn, bean cake and fish meal fermented by the Golden Baby Fermenter in the compound feed, increase the protein concentration by 4% or so compared to the normal level, and also feed more green and juicy succulent feed. Such as high-quality green grass, carrots, potatoes, etc., rich in carbohydrates and a lot of water, not only good palatability, but also thirst to cool the sunstroke and relieve cow heat stress is very beneficial.
The high temperature during the summer noon, the cow's appetite is relatively low, so the feeding time should also be adjusted. During the high temperature season, the intake of dairy cows accounts for 75%-80% of the daily intake on colder nights and early mornings. Therefore, it is best to add more ingredients in the morning and evening to increase the intake and meet the nutritional needs of the cows. .
Third, good prevention and control measures
Use anti-stress additives. Anti-stress additives can strengthen the nutritional value of the diet, increase the use of efficiency, increase milk production and improve the body's metabolism in dairy cows. Nutritional riboflavin, niacin, magnesium, potassium, chromium and so on. Adding 100 Kg-115 g/day of potassium carbonate to the summer diet can minimize the negative effects of heat stress on dairy cows.
Heat stress will lead to a decline in milk production performance, reproductive ability and immunity. Only through comprehensive protection measures such as improving the feeding and management environment and feeding technology can the heat stress of dairy cows be effectively relieved. Minimize the impact of heat stress on production of dairy cows, reduce the economic losses to farms (households), and ensure aquaculture benefits.
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