Sows giving birth and confinement
1. Sow labor symptoms
The farm technicians and breeders carefully observe the sow's labor symptoms before and after the date of the sow pre-production, so that the production can be completed in time. The symptoms of sows before labor are a gradual process, mainly as follows:
1 The breasts are enlarged and shiny, and the nipples on both sides are exophytic. If the milk is squeezed out by hand, the sows may give birth after 12 hours or a day and night.
2 sows vulva red and swollen, descent on both sides of the tail, which is a sign of pelvic opening; uneasy action, there is a grass nest behavior. The feces are spherical, etc., and generally will be delivered after 6-12h;
3 If it is easy to discharge the milk, the sow starts to lie down and begins to squeeze out the pussy in the pussy. This is the sign that the baby is about to give birth.
2. Production technology
Most of the sows are laid on their side when they are farrowing. When they see the sow's abdomen, the whole body trembles, the pussy flows out of the amniotic fluid, the two hind legs are straightened, and when the tail is upturned, the piglets will be produced. When the delivery is successful, basically one piglet will be produced every 20 minutes or so. When the piglets are born, the head is the first to be the majority, accounting for about 60% of the total number of litters; the hips first come out of the total piglets. At 40% of the numbers, both fetal positions are normal. After the piglets have been produced, quickly wipe the mouth and nose with a clean towel to allow them to breathe as soon as possible, and then wipe the entire body from front to back to save the piglets from consuming the body surface energy.
If the weather is cold, put the piglet in the incubator to dry the body and then cut the umbilicus. The method is to first repeatedly squeeze the blood in the umbilical cord to the abdomen direction, cut off from the left and right sides of the piglet SCm, cross-section disinfection with 5% iodine: the normal production process, the consignee or the breeder can master, but some people are However, when working, it is easy for the piglets to clean and sterilize the pudenda and breasts of the sow, squeeze out some of the colostrum, or disinfect and wash in the form, which can not play a real disinfection effect.
After the piglet is born, the first colostrum should be eaten as soon as possible, preferably within 3 hours of birth, at which time the piglet's absorption of the antibodies in the colostrum is best. Before feeding the pig's colostrum, the sow's breast nipples are wiped with a 0.1% potassium permanganate solution and the milk in the teat is squeezed out first, followed by the piglet colostrum, to reduce the chance of bacterial infection of the piglet. Piglets eat colostrum early, not only to get the piglets nutrients and antibodies as early as possible, enhance resistance, but also can promote the sows to give birth.
3. Midwifery
If the piglet is not broken after half an hour, the piglet may not be able to give birth. It may be difficult labor and needs midwifery. After giving birth to several piglets, if there is no 1 piglet produced for more than 1 hour, midwifery treatment will be required. Nowadays there are two methods for treatment of dystocia: injection of oxytocin and warthos. Some of the confinement workers injected oxytocin or warts when they had not yet had a difficult birth, which often resulted in adverse consequences for the sows. The method of losing large pigs to protect piglets was not desirable. Whether oxytocin or artificial warthog is used depends on the specific circumstances. Usually the older, emaciated sow has difficulty in the postpartum period and can use the oxytocin injection method; however, it may be possible to produce a pig for a long time. If the fetus is too big or two piglets are squeezed together or the fetal position is not correct, the method of artificially hog-feeding pigs should be adopted. Artificial warts are very detrimental to sows and can easily cause infection of the birth canal. Arms and utensils must be disinfected.
4. Several methods of first aid for suspended dead pigs
1 to eliminate the buccal fluid in the nose and mouth, with a hand care arm, a hand to do artificial respiration shoulder;
2 Blow on the nose;
3 Immerse the piglets in warm water of 40°C, snout and resurrect after about 30 minutes
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