Causes of Slow Growth of Piglets and Countermeasures
I. Weaning is unreasonable
Farmers raise their pigs to take a weaning method and go on the market immediately after weaning. This makes the piglets have a mother-centered, cohabiting, and stable and comfortable living conditions suddenly changed. It is difficult to adjust to increase weight. The number of suckling piglets should be gradually reduced 5 to 6 days before weaning.
Second, feed is not timely
The piglets did not fill the feed in time during the lactation phase. They did not eat well after weaning and there was no milk supplement, causing slow growth and development to stop. Feeding should normally begin at 7 days of age in piglets so that when the sow's lactation levels decline, it can be officially supplemented to make up for the lack of sow milk production. It started with fragrant, sweet, brittle and easily digestible feeds, and gradually changed to normal feed later.
Third, feed and feeding methods are unreasonable
After weaning, piglets are not only unable to feed on breast milk, but also the quality of feed is poor. Feeding materials are low in water, and the number of daily feeds is also reduced from 6 to 8 times before weaning and drastically reduced to 3 times a day. These conditions drastically change. The normal growth of piglets is hampered. Therefore, to achieve a gradual transition in the quality and quantity of feed, the fine green forage gradually transitions, and the number of feedings gradually transitions from more to less.
Fourth, the environmental conditions change too much
Before weaning, piglets are mother-centered and co-habitants. After weaning, it is usually a pig lap. Piglets cannot adapt to this lonely life for a short period of time. Especially during cold weather in winter, they cannot sleep well, they are prone to various diseases and even die. Therefore, it is necessary to create a comfortable living environment for piglets as much as possible, and changes in feeding conditions should be gradually carried out.
Fifth, extensive management
Now farmers raise pigs usually in a pig-circle. Some pigs eat, sleep and defecate in the same place. They also have poor cleaning and washers. They cause environmental pollution and poor sanitation. Especially in winter, pigs are easily caused. Colds, diarrhea and other diseases have severely affected the health of pigs. According to the speed of eating and drinking, the temperament is 3 to 6 heads in a circle, so pigs compete for food, grow fast, and do a good job tuning work, make it a fixed point of eating, fixed defecation, sleep at designated points, to maintain environmental health.
Sixth, the epidemic prevention, the time of the castration is wrong
The three unfavorable factors of weaning, epidemic prevention and castration were all added to piglets, which seriously affected the normal growth and development of pigs. In general, small boars that do not retain seed can be castrated at 20 days of age and gilts can be aged from 30 to 40 days. In order to prevent certain infectious diseases, swine fever vaccine can be injected before 30 days of age.
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