Impact of Climate on Dairy Milk Production
Dairy cows use milk as their product, and cow milk production is closely related to climatic conditions. In the pastoral areas, most of the dairy cows adopt grazing and semi-shelf feeding methods. Therefore, they are more affected by weather and climate conditions. The impact of climate on the milk production of dairy cows is mainly reflected in the following two aspects: First, the milk production period: Dairy milk not only requires suitable weather, weather conditions, but also with the growth and feeding conditions of forage. Some people have conducted comparative analysis of observational data from the northwest, northeast, and north China. The results have proved that the same is a Cauliflower dairy cow. During the peak period of lactation in the northwestern northwest, in June, the weather in this area has changed drastically during the spring, and the temperature has become worse. The milk volume also appeared to be unstable, and after entering June, the temperature change was relatively stable and the environmental conditions were also more appropriate. At this time, the conversion rate of forage grasses was also high, resulting in the peak period of lactation. In the northeastern part of the country, the relationship between milk production and temperature changes was found to be a curve. When the temperature is low, milk production increases slowly; when the average temperature rises above 10°C on that day, milk production rises rapidly. In the northern part of North China, the peak of milk production is in March-April, because the weather and climate conditions in North China during this period are more suitable for lactating dairy cows. From July to August, the average daily temperature in this region has risen. At temperatures above 25°C, the extreme maximum temperatures can sometimes reach 40°C and the relative humidity can reach more than 80%. This high temperature and high humidity is extremely unfavorable to milk production by dairy cows. Therefore, milk production is lowest. In the winter season, in the northwestern region of the northeastern region and the northeastern region of the northeast, due to the cold weather, sometimes there is still a heavy amount of snow, which affects the normal activities and feed intake of dairy cows, resulting in a decline in milk production. Second, the quality of dairy products: experimental studies have shown that milk fat rate and temperature, when the temperature rises from 10 °C to 25 °C above, the milk fat rate decreased by an average of about 0.3%. In areas with different climatic conditions, the milk fat percentage of dairy cows has obvious regular changes. Some people compared the milk fat percentages at different latitudes and different regions and pointed out that the milk fat percentage in the middle and lower reaches of the Yellow River was 5.0%; the milk fat percentage in the Xilin Gol grassland of Inner Mongolia was 5.0 -5.5%; Xinjiang Tianshan area was 5.1% -5.6%; consumption of milk fat on the Tibetan Plateau cattle was 6.0% in summer and 10.0% in winter. From these circumstances, it can be seen that with the increase of geographical latitude and altitude and the decrease of the ambient temperature, the milk fat rate will rise. Antipyretic Xi'an Henrikang Biotech Co., Ltd., is a professional supplier of Antipyretic And Analgesic ; APIs Raw powder ; Antibiotic & Antibacterial ; Blood Pressure raw powder, and natural active ingredients. It has absolute advantage because of strong research strength, modern management system and high-quality marketing team. Antipyretic And Analgesic, APIs Raw powder , Antibiotic & Antibacterial , Blood Pressure raw powder Xi'an Henrikang Biotech Co.,Ltd , https://www.xianhenrikang.com
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