一是先天原因。仔豬時期出生重小,斷奶重小,會嚴重影響后期的育肥。
One is congenital cause. * the weight of the piglets is small and the weaning weight is small, which will seriously affect fattening later.
二是沒有及時補料。仔豬斷奶后不能馬上適應飼料,就會吃的少,體重下降。所以提前做好訓練,能夠讓仔豬12日齡開始補料是比較好的。
Two, there is no timely feeding. * piglets can not adapt to feed immediately after weaning. They will eat less and lose weight. Therefore, early training can help piglets start feeding at 12 *.
三是斷奶應激影響。應激有很多方面,不管怎樣,這段時間要勤添料少量喂,避免仔豬腹瀉。
The three is the effect of weaning stress. There are many aspects of stress. In any case, small amounts of feed should be added during the * period to avoid piglet diarrhea.
四是飼料使用不當。飼料配比不對,發霉變質等,都會影響飼喂的效果,導致豬長不快甚至生病。
Four, improper use of feed. Feed ratio is not correct, moldy and so on, will affect the effect of feeding, causing pigs * to grow unhappy or even sick.
五是生長期使用大量抗生素。抗生素用多了,豬會有耐藥性,得病的話治療效果差,病情一拖,豬的生長也跟著拖。
Five is the use of a large number of antibiotics during the growth period. With more antibiotics, pigs will be * * resistant. If they get sick, the treatment will be poor.
六是微量元素或重金屬中毒。比如為了追求豬的皮毛紅亮等加銅加鋅之類,劑量一過就會適得其反,一定要慎重。
The six is trace elements or heavy metal poisoning. For example, in order to pursue pigs fur * red and bright, add copper and zinc, and so on, dosage will be counterproductive, so we must be careful.
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