First, causes of postpartum sows loss
1. The sow's feed intake is negatively correlated with weight loss;
2. Positive correlation between sow's milk yield and weight loss;
3. Weaning weight of piglets is positively correlated with weight loss.
4. Feed intake during pregnancy is negatively correlated with feed intake during lactation.
Second, measures to prevent post-partum loss of sows
1, in the early gestation sows in accordance with the normal feed wolf feed can be, in the middle and late period, do not increase the amount of feeding because of sow food intake, if the sow long-term fat, the accumulation of fat in the body will not only affect the abdominal piglets The normal growth and development will also lead to a sharp drop in sows' feed intake after farrowing, leading to severe sow loss and affecting lactation. Therefore, in the middle of the gestation sow 2.0-2.5kg / day for feeding standards, the latter is appropriate to increase the amount to 3.0-3.5kg / day. Adding 0.2% of eugenic peptide or 0.5% of life-source peptide to the feed 40 days after the sow's production and appropriate addition of green feed can not only enhance the gastrointestinal function of the sow, but also prevent constipation and non-feeding. Insufficiency affects the post-natal feed intake.
2. With regard to prenatal reduction, since it is impossible to determine the sow’s delivery time, it is only necessary to reduce the previous meal. If the reduction is too early, the sow’s physical energy will be consumed too early and it will be impossible to produce the sows at the time of delivery. Extension of labor will increase the survival and the number of litters of piglets.
3, sows on the day of sow delivery need to induce sows to eat, you can use brown sugar + warm boiling water + 0.2% milk peptide smooth wet mix, not only is conducive to the discharge of sows postpartum lochia, but also can effectively prevent postpartum inflammation The yellow and white piglet of the piglet increased feed intake and milk yield, avoided the energy deficiency of the sow in the early period of lactation, and prevented the sow from severely dropping and affected the milk yield and the natural estrus rate seven days after weaning.
4, in the summer hot season, you can feed fish meal and oil, thereby increasing the feed nutrient concentration.
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