In the spring, when the piglets make up the peak, the piglets make up the bar to determine the basis for one year. How to make up the column, should pay attention to the following six points.

First, choose good breed piglets. Piglets should be selected for lean-type piglets with bright fur, long backs, and deep chest widths, such as lean-type commercial pigs or progeny of lean-type hybrids with local pigs.

Second, disinfection of the bar house, do a good job of prevention. Prepare the piglets for advancement before entering the pens. The pens and utensils should be thoroughly disinfected. Before buying pigs, inquire whether the piglets have been injected with vaccines. For those piglets that have not been vaccinated, they should promptly make up the vaccine after buying them back to prevent the occurrence of infectious diseases, especially the most important issues of swine fever and foot-and-mouth disease vaccines.

Third, understand the status of piglets disease. Before the purchase of pigs, it is necessary to investigate whether there is a serious epidemic in the local area. Pay attention to check the mental status of the piglets, whether there are cough, trembling, lethargy and other symptoms, and whether there is any abnormality in the intake of the pigs. Never buy piglets from infected areas.

Fourth, strengthen feeding and management. Pay attention to the cold and warm work of the pigs. As the saying goes, “Spring and Autumn and Frozen,” as the saying goes, although the temperature gradually rises after the beginning of spring, but the temperature in the early spring changes, the piggery can not be relaxed in warm work, and more bedding is added to the house to keep the house clean and dry. Ventilation to prevent respiratory diseases caused by excessive air turbidity in the housing.

V. Prevention of piglets squatting in the spring. The lower jaw is divided into three types: yellow peony, red peony, and white peony. First of all, it is necessary to strengthen the feeding and management, so that the sow's feed should be diversified and reasonably matched to meet the needs of vitamins, minerals, and trace elements, or the prenatal injection of E. coli vaccine in sows. Let the piglets eat the colostrum in time, warm and heat the newborn piglets, keep the pens dry and hygienic, supply enough water for the piglets to clean, and add less ground to prevent thirst from drinking dirty water and cause diarrhea.

6. Feeding of piglets into the stalls should be gradual, and comprehensive measures must be taken to prevent epidemics. The newly purchased piglets are allowed to move freely in the barracks and familiarize themselves with the new environment. The drinking water is best to drink 0.1% potassium permanganate in the first week. When it is looking for food, it can be fed with the appropriate amount of green and succulent feed. After feeding a small amount of full-price material later, it is generally advisable that the pigs eat 7-80% satiation. After the pig has adapted to the new feeding method, it is allowed to feed freely. Farmers raising pigs to feed their own mix, should be added to feed additives or antibiotics in appropriate amounts, in order to enhance the pig's gastrointestinal adaptability, and in the feed amount of yeast or rhubarb soda tablets. After 10 days of feeding observation, if the feed intake and drinking of pigs are normal, the pigs can be vaccinated against swine fever, swine erysipelas, swine plague, paratyphoid fever and other vaccines. After 10-20 days of isolation observation, if No epidemic disease occurred. After being dewormed and castrated, they could be mixed with other pigs and gradually fed into the normal finishing stage.

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