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 milk production of dairy cattle is mainly reflected in the following two aspects: 1. Milk production period: Dairy milk production requires not only suitable weather and climatic conditions, but also the growth and feeding conditions of forage grass. 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 milk production period is from March to April because the weather and climate conditions in North China are suitable for milking dairy cows. From July to August, the average daily temperature in this area has increased. 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 between 5.1% and 5.6%; the consumption rate of dairy cattle on the Tibetan Plateau 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.
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Characteristic
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Seeds type
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Fruit skin
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Yellow
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Fruit weight
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160 to 270grams
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Fruit size
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10cm in length, 10cm in width
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Maturity days
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60 to 90 days after transplanting
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Resistance
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Cold resistant,virus disease,bacterial wilt
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Indoor or outdoor
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Both
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Yield
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4000kgs/667m2
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Germination rate
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More than 80%
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Tags
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Sweet Pepper Seeds
Yellow Bell Pepper Seeds, Red Bell Pepper Seeds, Green Bell Pepper Seeds, Sweet Pepper Seeds
Ningxia Zhongqing Agricultural Technology Co. Ltd. , http://www.zq-vegetableseeds.com