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It is related to sows' breeds. Some varieties are not recommended to be female because of poor production performance and low disease resistance. Such as: Duroc, Pitlan.
In order to increase the movement of sows in large-scale intensive pig farms, production sows are generally kept on the limit bar. They can only start to lie down and cannot exercise. As a result, sows are chronically stressed and have a serious impact on their endocrine system. The proportion of estrus sows increased.
Choose high-quality feeds, strengthen feeding and management to prevent mycotoxins from causing miscarriage, but do not add demycotics at will. Feeding a single variety of feed results in malnutrition of the sow, resulting in no estrus. Improve the breeding environment for sows to ensure reasonable lighting, suitable temperatures and a good hygienic environment.
Timing for selecting breeding time Generally speaking, gilts should be mated after maturation and should not be bred prematurely. The earlier the sows are weaned, the longer the estrus duration is; the longer the estrus duration is; the later the estrus is, the longer the estrus duration is. short.
Do a good job in epidemic prevention Routine immunization according to the farm's immunization program, focusing on the prevention of swine fever, blue ear disease, foot-and-mouth disease, pseudorabies, parvovirus, Japanese encephalitis and other diseases. Other vaccines may be based on the specific circumstances of the field.
Reduce the incidence of diseases such as: mild swine fever, circovirus, blue ear disease, pseudorabies, streptococcus, erythrozoite, metritis and other diseases.
Drug prevention (the following schedule is the dosage per ton of material) should purify the pathogenic bacteria in the sow every month and reduce the spread of disease through the placenta to the piglets. Solution: Yin Qiao San 1000 grams + Melolisin 125 grams + Movixin 500 grams (or 500 grams of Weeping Health), used for 7 days.
Prevent postpartum infections in sows. The program: Yinqiaosan 1000g + Moweixin 500g + Oreica 1000g, each with 7 days before and after delivery.
Conditioning sows normal estrus, multiple ovulation, liver protection kidney. Program: Abbott 3000g + VE for 7 days.
How to improve the breeding performance of sows in breeding farms
Sows on many large-scale pig farms now have estrus, slow estrus, repeated infertility, fewer births, and stillbirths. How to improve the current production performance of sows is what the majority of farmers are most concerned about. How to improve the performance of sows is now shared with everyone: