First, choose sows. Select the first 1-2 gilts in the second to third litters of the original sow. The pigs grow fast, and each litter is large and voluminous. It is not possible to choose head litter pigs and old weak gilts. two,. To choose round mouth pigs. This sow is not picky eaters, can eat a variety of feed. Third, to choose big ear pigs. It is better to cover 1/3 of eyes with drooping ears. The pig can quickly adapt to the new environment. Fourth, we must choose the body of pigs. The pigs gain weight quickly and have a high lean meat percentage. Fifth, choose a pig with a long lip. This pig does not groovy and eats fast. Sixth, choose the thin, thick, and more sows. Each head requires more than 13 nipples. The pigs have more calves and the pigs have milk. 7. Choose pigs with high shoulder width and high height. The pig grows fast. Eight, to choose high-strength legs, shelves should be large, the stomach should be large, large genital sows. This kind of pig has a large amount of food and has more calving.
Intubation Simulator,Baby Care Model,Neonatal Model
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