Normal sow production period is 2.5-3 hours. Normally, sow farrowing piglet averages 20 minutes per head. Each litter's farrowing time (from the first piglet to the entire birthbirth) is 2.5 to 3 hours. Whoever has a farrowing period of more than 3 hours is regarded as having an extended period of labor. In severe cases, it will cause the piglets to die at birth?
Sow body condition too fat too thin? Prenatal eating too much? Improper management? Epidemics, etc. can be the cause of sow prolonged production? Here we have to conduct one by one analysis:
Sow body type
Should be full back, there is a flat on the line, do not see any protruding bones, in the lumbar vertebrae, behind the ribs and in front of the pelvis should have a lacune, overweight sows without depression. Therefore, pregnant sows should be based on the growth and development of the fetus and sow feeding and management.
Restricted feeding: The sows should start restriction within 3 days before delivery (predetermined on the basis of the expected date of production), prenatal limits should be increased from less to more, and postpartum feeding should be from less to more to prevent postpartum indigestion of sows. If you eat too much before your baby's birth, you can cause too much burden on your sow's intestines. Compression of the fetus can result in difficulty in producing the piglets, leading to prolonged labor during childbirth.
Prevention of prenatal constipation in sows
One week before and after sow giving birth, the use of Chinese rhubarb soda powder or artificial salt or edible oil is conducive to the smooth flow of defecation. The specific amount of use is as prescribed by the doctor or the drug instruction manual.
Strengthening pregnant sow management
For the delivery room, keeping the house quiet should be especially important for the first-born sow. When the sow is restless, massaging the breast can make it quiet, which is important for promoting smooth delivery.
Allowing the piglet to eat as soon as possible can stimulate the contraction of the uterus, help smooth delivery, shorten the birth process, but also conducive to milk discharge.
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