(a) Adding night food in moderation. Dairy cows are ruminants. They have large feed intake and fast digestion. In addition to feeding enough fodder during the day, they should also feed the appropriate amount of fodder at around 10 pm, but they should not be too much, so as to avoid causing indigestion, and then allow them to drink. Foot water, drinking water to make it cool in winter and cool in summer. This will not only meet the needs of dairy cows for physical energy consumption, but also enhance their resilience and significantly increase milk production. (b) Brush swabs at night. Around 10 o'clock every night, before the milking, the body of the cow is brushed from top to bottom and brushed from front to back, carefully brushing once, which can not only keep the cow body fur clean and smooth, but also promote blood circulation. Adjusting the body temperature to make the cow comfortable overnight can increase milk production. (C) to extend the lighting time. Can use white fluorescent lighting, so that the light from the original 9-10 hours, extended to 13-14 hours, which can increase the cow's metabolism, digestibility and utilization of feed increased, the milk production also increased. (D) to keep quiet at night. Cows like a quiet environment, especially at night afraid of disturbing. Sudden surprise at night can lead to decreased milk production and increased milk acidity. (e) to pay attention to the cold at night. The most suitable ambient temperature for cows is generally 8-21°C. Winter should be kept cold and warm at night, and summer should be done to cool down. In this way, it is beneficial to increase the milk production of dairy cows. (six) to massage the breasts. Many dairy farms have the habit of milking once in the evening. If you insist on using warm water to massage the cow's breasts before milking, you can increase milk production by about 10%. (g) To sleep mattresses well. Cows stay at bedtime for a long time. If they are allowed to lie on a wet, hard surface all night long, it will not only affect their milk production, but also lead to the occurrence of certain diseases, such as limb and foot disorders, mastitis and so on. In addition, when the air humidity in the cowhouse is higher than 70%, the milk production will obviously decrease. Therefore, after milking the cows every night, the feces of the cowshed should be cleaned. Then, a layer of soft grass should be placed on the cow's crouching place, and some damp ash or lime powder should be sprinkled in the wet place to keep the cowshed clean and dry. Cows sleep comfortably at night. (h) Increase night-time exercise. Conditional cattle farmers can drive the cows to outdoor venues for around one hour at around 12 o'clock in the evening, but do not go out during inclement weather. This can increase the digestive ability of cows, increase appetite, and increase milk production by 10%. about. (9) Pay attention to night observation. Observing and discovering the estrus of cows is an important task for the breeder, which is crucial for raising milk production. Most dairy cows have started estrus at night. Keepers should seize the critical moment of the second half of the night and carefully check the cow's estrus, rest, rumination, mental status, etc., find problems and deal with them in a timely manner. In order to prevent the lack of observation and inspection caused by the extended period of empty cows and affect milk production.
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