First, pay attention to quality assurance Dairy cows to feed micro-feeds to ensure quality, the specific quality assessment can be "a look, two smell, three touch" identification method. Specific approach: (a) look at the color. High-quality micro-feeds are either cyan or yellow-green. If the color of the microbe is found to be black or brown, the microbe is deteriorating and moldy and cannot be used to feed cows. (b) smell the smell. High-quality micro-feeds smell sweet and sour, with a strong wine or pear flavor. If the smell is sour, it means that the micro-feed has deteriorated and cannot be used for feeding cows. (c) touch feel. High-quality micro-feed pellets are soft and moist in the hands. If they are sticky or dry and hard in the hands, it indicates that the micro-silage feed has become moldy and is not suitable for feeding cows. Second, feeding should be suitable for feeding cows with micro-storage, should be appropriate, moderate and appropriate. (a) The right amount. Cows with a body weight of 500 kilograms and a daily milk output of 25 kilograms or more may be fed 25 kilograms of microbiologically stored feed and about 5 kilograms of hay each day. Dairy cows with a daily weight of 500 kilograms or more and a daily milk production of over 30 kilograms may be fed with micro-feeds. 30 kilograms, about 8 kilograms of hay; cows weighing 300 to 400 kilograms and having a daily milk output of 20 kilograms or more, can feed 20 kilograms of microbiological feed and 5 to 8 kilograms of hay each day. (b) Moderate. A cow with a daily milk output of 15 kg or less must not exceed 15 kg of micro-feed per day, and hay can be 5 to 8 kg. (c) suitable. 15 days before milk production and 15 days after birth, the dairy cows should stop feeding micro-feeds; dry dairy cows can feed 10 to 15 kg of micro-feed each day, and pay attention to the appropriate amount of hay; feed micro-feeds for bred cattle. It is best to control within 10 kilograms per head per day; young cows are best fed or not fed. Third, the feeding method should strictly implement the "first small, after the amount of" feeding principle. That is, a small amount is added in the initial stage, and then it is gradually increased to a sufficient amount so that the cow has an adaptation process, and it is not necessary to add the excess amount for the first time. Adding 1.5% baking soda to the concentrate feed can promote gastric motility and improve feed digestibility. Each feed of micro-feeds should be mixed with hay and then fed to the cows. Conditional dairy farmers, it is advisable to feed the whole mixed rations after fully mixing the concentrate feed, micro-storage and hay. Micro-storage or other roughage can be fed 3 to 4 times a day to increase the number of ruminants in the cow. Frozen microfeeds cannot be used directly to feed cows. IV. Recycling method The method of layered retrieving shall be adopted for the taking of micro-feeds. Generally, the materials shall be taken once a day in the morning and in the afternoon, and the number of feedings shall be taken in order to ensure the freshness, quality and palatability of micro-feeds. , reduce nutrient loss. Remove the micro-feeds can not be exposed to the sun, it can not be scattered in heaps, it is best packed in a closed bag, placed in a cool place. V. Preventing diarrhea During the feeding process, if dairy cows are found to have diarrhea, they should immediately reduce or stop feeding. Check whether the micro-meal feed is mildewed or causes diarrhea. Wait until the cow is cured and then resume feeding. Daily clear the feed trough, especially at the edges and corners, and thoroughly remove the degraded micro-feeds.
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