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Problems should be paid attention to in raising dairy cows in winter
Release time:
2019-11-01
Phosphorus rich rocky lick brick significant efficacy: 1: Solve the problem of maternal reproduction (for example, long interbirth time, repeated mating infertility, frequent abortion) 2: extend the peak period of lactation; improve milk production. 3: Extend the life of the mother; (an 8,000-litre cow loses 60kg of minerals in its milk) 4: Improve the comprehensive health index of dairy cows and reduce the incidence of dairy cows (e. g. mastitis, hoof disease). 5: Cow pica disappears (gnawing wood, licking hair, licking urine, gnawing plastic) and the fur is smooth. 6: to promote food digestion, improve feed utilization, saving concentrate.
The optimum feeding environment temperature of cows is 10 ℃-18In winter, due to the decrease of the outside temperature and the shorter illumination time, cows need to maintain a constant body temperature through self-heat production. Although the body hair of cows has good heat insulation performance, and the fermentation heat production in the rumen is relatively high, which has high low temperature tolerance, during rumination and rest, cows are mostly lying down, and their breasts are in contact with the cold ground, which is easy to produce cold stress and lead to a large consumption of body heat, the digestion time of feed in the gastrointestinal tract is significantly shortened, the digestibility is reduced, and a variety of diseases are caused. Therefore, it is necessary to adopt corresponding treatment strategies in winter to create favorable conditions for the healthy and normal growth of dairy cows.
“Shandong Qingfeng focuses on rumination"
1.1 the suitability of the external environment, the main external environmental factors that affect the growth and milk production of dairy cows are temperature and humidity. In winter, under the condition of lower external temperature, most of the energy consumption of dairy cows is in the maintenance of body temperature, and the energy used in milk production is decreased, resulting in the decline of milk production.If the humidity is too high, it will not only stimulate the cows and cause a decline in milk production, but also lead to the occurrence of fungal infections such as mange, which further leads to a decline in milk production.
The supply of 1.2 feed into the winter, the daily energy required by cows also increased accordingly. Most dairy farmers think that the milk yield of dairy cows in winter is lower than that in summer. The reason for this phenomenon is that the feed taken by dairy cows in summer and autumn is juicy feed, while the feed in winter is mostly concentrated feed or single feed such as corn straw and hay, which leads to the decline of milk yield.
At the same time, the shortage of drinking water and mineral intake is also an important factor affecting the quality of dairy cows in winter. Due to the lack of relevant knowledge and the limitation of corresponding conditions, farmers still directly use tap water or well water as the source of drinking water for dairy cows in winter. Drinking water with low drinking water temperature of dairy cows is easy to cause digestive tract diseases such as indigestion, while incomplete supply of minerals may lead to poor growth of dairy cows. It is worth noting that excessive mineral intake will also lead to the occurrence of related diseases, so the reasonable amount of minerals should be controlled.
2.1 scientific preparation of feed in the winter feeding process, if only given a single roughage feeding, the level of nutrition provided by the feed can not meet the needs of daily physiological activities of dairy cows, therefore, should be in accordance with3:7 The proportion will be refined coarse feed reasonable preparation. The demand for nutrition of dairy cows during milk production will be significantly higher. For dairy cows during milk production, the intake of concentrated feed should be appropriately increased, and the preparation ratio of different kinds of feed should be adjusted according to the nutrient concentration of the feed, but the content of concentrated feed should be avoided Too high to avoid occurrence
indigestion or acidosis, etc. At the same time, attention should also be paid to increasing succulent feed such as beer lees and silage to replace the grass-based succulent feed that cows eat in summer and autumn to ensure milk production.
2.2 Ensuring Adequate Warm Water Supply Adequate drinking water is a fundamental factor in ensuring water-salt balance, tissue elasticity and thermoregulation in dairy cows, as well as promoting digestion and nutrient absorption. The water requirement of general cows is the intake of dry matter.5 About times, is the amount of milk production3.5-4 If drinking water is insufficient, it will lead to loss of appetite, a significant decrease in milk production or even no milk production. If cold water is used as a source of drinking water in winter, it will lead to an increase in the cow's own energy consumption. Therefore, drinking water with moderate temperature after heating should be supplied in winter, and water supply should be implemented throughout the day to provide sufficient warm water for the normal growth and milk production of cows.
2.3 Provide a good environment for cattle barn When raising cows in winter, measures such as plugging the loopholes in the barn walls, installing doors, windows and curtains, and laying thicker bedding in the barn can effectively prevent the invasion of cold currents and maintain the temperature in the barn10C or so. At the same time, the bedding should be changed frequently, and proper ventilation should be carried out to keep the cowshed dry and reduce the incidence of respiratory infectious diseases or mange diseases. In addition, the illumination time can be prolonged by artificial illumination and other methods to increase the secretion of prolactin and improve milk production.
2.4 to maintain an appropriate amount of exercise outside the house in other seasons, cows take grazing feeding methods, after entering the winter feeding methods will be converted to house feeding, cows due to the decline in the amount of exercise and excessive intake of feed, easy to cause obesity, which will not only affect the dairy cow's milk production and overall physique, but also may lead to ketonuria. Therefore, an appropriate amount of exercise outside the house should be ensured in winter. Under the feeding conditions in pastoral areas, exercise can be carried out in combination with the grazing process. In agricultural areas, cattle can be driven into the sports ground for free activities under the warm weather at noon, so as to improve immunity and cold resistance.
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