Raising the efficiency of raising piglets mainly includes two aspects: one is to increase the birth weight of piglets, and the other is to increase the weaning weight of piglets. Both of these aspects are well managed and there is a guarantee for raising the piglet's raising efficiency.
Increase the birth weight of piglets
Correct insemination when the sow is in estrus peak, then ensure adequate rest and proper nutrition during pregnancy and provide appropriate litters for the sow.
When the sow is at the peak of estrus, correct insemination and accurate mastering of the best breeding time of the sow is an important guarantee for the ideal number of litters. Sows who are estrus 3 days to 4 days after weaning need to postpone 24-hour insemination, and sows that are in estrus after 5 days to 6 days need to postpone 12-hour insemination, and estrus sows and gilts that are older than 7 days are present. Static response requires insemination.
1. Ensure that sows during pregnancy receive adequate rest and proper nutrition
Pre-pregnancy mating to 7 days of pregnancy is insemination, cleavage, and embryo transfer.
Mid-pregnancy is the adjustment of sows during the lyrical period. The daily feed intake is 2.0 kg to 2.2 kg. Only the required nutrition can be maintained at this stage. 76 days to 95 days are the peak period of breast development. Sows daily intake is 1.9 kg to 2.5 kg.
At the end of the second trimester, this period (96 days to 112 days) is a period of rapid fetal growth, and 71.8% of the fetal birth weight is obtained from this stage.
In addition, Beijing Haizheng Xingchao's patented product, "Yimu Wang," was added to lactating sows. "Yimuwang" can effectively regulate the endocrine mechanism of sows, increase the birth weight of piglets by about half a catty, and at the same time ensure that the sow lives in a quiet, comfortable environment with good air quality.
2. Provide appropriate litters for sows
There are various shapes and sizes of tillers, and the following factors should be taken into account: the size of the farrowing house is determined by the number of farrowing sows; the piglets are easily exposed to the nipples; the floor of the sow area is not slippery; the piglets move around the sow The area is large enough; fresh environment for the sow; recumbent areas on either side of the sow; additional inspection walkways;
Improve weaning weight of piglets
To increase the weaning weight of piglets, in addition to ensuring that the birth weight of piglets is above 1.5 kg, we must also ensure the safety of the piglets' birth environment, the sow’s milk quality, proper feeding, and prevention of diarrhea.
Clean environment
Before giving birth to the sow, make sure that the piglet does not face a fierce microbial attack at birth. To ensure that the farrowing pens are clean and carefully disinfected, sows should be allowed to bath on the litter box and fresh feces should be regularly cleaned. This will ensure that newborn piglets will not be attacked by microorganisms in the previous litter, thus cutting off the route of transmission. After repeated use of the porch, its surface is covered with a biofilm consisting of feces, dust and bacteria. Before soaking, it is necessary to soak, so that the biofilm can be fully opened, and then the microorganisms therein can be released. Cleaning time is 1 hour to 5 hours.
Keeping postpartum pigs to ensure the sow's milking power
The sow's lactation power and milk quality are important guarantees to improve the weaning weight of piglets. The dietary requirements for sows during lactation include maintenance needs and lactation requirements for sows, and the maintenance requirement for sows is about 1.5 kg to 2.0 kg of standard diet (local pigs are generally 1.5 kg, and out-breed pigs are generally 2 Kg); The lactation requirement is based on a standard diet for feeding a piglet at 0.4 kg (about 0.3 kg for local pigs). For example, if a lactating sow has 10 piglets per day, a standard of 6 kg to 7 kg per day is required. Diet. Adding “Yimuwang†to nursing sows 30 days before giving birth to pregnant sows can effectively guarantee that sows can improve their milking power and milk quality without post-natal consumption. No signs of diarrhoea occur in suckling piglets and the weaning weight of piglets is increased.
Appropriate feeding
In order to maximize the growth during lactation, supplementation is important. At the same time, in order to feed solid piglets after weaning, the intestinal villi need to adapt to this change, and the piglets must also learn to find the feed troughs and use the same feed trough after weaning. The ideal choice for supplementation is to use liquid feed starting from 5 days after birth and using granular material starting from 16 days. After weaning, the piglets are used to looking for a supply tray and will soon arrive at the tray and eat more feed.
Prevent diarrhea
Thorough cleaning of the delivery house between batches; slatted floors allow for easy escape of feces; heating in the recumbent area; adequate supply of colostrum; breastfeeding as little as possible from one bar to the other; enhancing sow immunity (Immunization); Piglets that do not turn diarrhea.
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