Recently, Yang Shijun of Rudong County reported to the newspaper “The Pastoral Doctor 110” that he had a total of about 100 pigs. He wanted to finish fattening after the end of the tailing. He asked: What are the benefits of using pigs for tail fattening? How to break the tail?

The reporter interviewed Ren Shouwen, a researcher at the Animal Husbandry Institute of the Jiangsu Academy of Agricultural Sciences. Ren Shouwen said that in pig farms that are factory-produced, pigs are generally treated with tailing. The main reason is that the factory rearing density is relatively large. After the piglets are cut off, they can effectively reduce the phenomenon of chasing each other and “bite the tail”. This can promote pig fattening and accelerate growth, which outweighs disadvantages.

When should the pig end? Ren Shouwen said that the smaller the age of pigs that need to be tailed is, the smaller the stress is and the faster the recovery is. Generally, the tail is broken before weaning and within one month of age, and the main use of soldering iron is to stop the tail. Cut from the tail of the tail of the 2 ~ 3 Department of the cut, cut too short and easy to hurt the cauda equina nerve, may cause paralysis of the hindquarters; stay too long, the pig will still chase each other "biting tail", can not achieve the true purpose of the tail.

Electric iron broken tail operation method: the piglet horizontally hug, abdomen down, standing sideways, or close to the wall of the piglet buttocks, the surgeon standing in the channel, the left hand straightening the pigtail tail, right hand holding a preheated bend The head electric iron is 25 centimeters away from the tail root. It is pressed down slightly and the tail is cut off instantly. This method has less stress and less bleeding.

Is it possible to obtain a tail-clamping effect by applying rubber band ligation to the piglet's tail? Ren Shouwen said: No! The rubber band ligation and breaking method is generally applied to goats, and it is mainly a tail-closure method that forbids tail atrophy and natural shedding by prohibiting the tail blood supply. Since the tail bone is located at the pig's tail, this method has a poor effect and cannot be broken. The purpose of the tail.

In addition, Ren Wenzong, a pig farm of the total rear-end farm in Shengzhou, Hebei Province, used a blunt-type wire cutter to achieve good results for pigtails. The method of operation is: when the piglet is suckling or drinking water, the left hand carries the tail, and the right hand uses a blunt type wire cutter to clamp two times at a distance of 25 cm from the tail root. The distance between the two clamps is 0.3-0.5 cm. The tail of the pig is due to coccyx tissue after 5 days. Be destroyed and stop growing. This type of tail-closure method does not involve bleeding, inflammation, or iodine. After 7 days, the lower end of the tail that has been cut off can naturally fall off and fall off.

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