Sows must stay away from hormones, especially oxytocin, in order to improve reproductive performance.
So let us talk about this hormone issue. At present, the scale of pig farms generally use oxytocin to assist labor, sows do not generally use the matter-hormones to aphrodisiac in estrus, and some other methods, use hormones like luridin to give birth, etc., then I think this is all a problem. . As a hormone, it is a highly living substance that the body itself normally secretes. If you artificially inject hormones from the outside world, it will interfere with its own hormone secretion, cause human endocrine disorders, and there is a negative feedback regulation of hormones.
So here we mainly talk about oxytocin:
Oxytocin is not something that should be used at all for swine farms, especially for sows. Why do you say this? Because oxytocin is mainly used for singleton animals, people, horses, and cattle can be used. Well, pigs say that every pig has at least two fetuses, so all sows are prolific animals and hormones are strictly prohibited. After using hormones, it causes great harm. One of the hazards is the increase in the number of fetuses born that are white and stillborn. Therefore, after many sows give birth to the fetus, the umbilical cord breaks down inside the uterus, so the weak one also increases significantly.
And we also found in the clinical above, if you use hormones, or excessive use of hormones, it is likely to cause dystocia. At this time, the piglets could not be produced. When we handed the piglets, we found that we could not reach out. So it can cause dystocia. After the oxytocin was used, it smashed all the amniotic membranes at once and squeezed the amniotic fluid out once. Therefore, there is a characteristic when using oxytocin. After use, it will immediately speed up the process of calving and accelerate the discharge of amniotic fluid. Therefore, the first production is fast and the production is slow. As a result, some of the fetus and the placenta may remain in the uterus, causing the uterus to deteriorate.
In addition, during the process of using oxytocin, many farmers may observe such a phenomenon: After using oxytocin, the sow trembled. Why shake it? In fact, after the use of oxytocin, another hazard is that it significantly increases sow pain. After a significant increase in sow pain, the sows do not recover easily after delivery. The third aspect of the harm, it increases the risk of infection. It is very likely that the lochia, the placenta, and the stillbirth will remain in the uterus of the sow after the sow has given birth. Therefore, there are some cases where some sows produce a fetus on the second day of delivery, and even individual sows on the 7th and the longest 14 days can still produce fetuses.
The harm caused by oxytocin, and I sum it up again: (1) cause dystocia: the fetus and birthsuits that are too late to produce may stay in the uterus, this part of the sow is likely to be scrapped. (2) Cause sow pain: Pain significantly prolongs the recovery period of the sow, and postpartum anorexia, constipation, and infection can easily occur. (3) After the use of oxytocin, a rupture of the umbilical cord of the fetus occurs in the uterus, and a part of the fetus is excessively squeezed in the uterus, resulting in an increase in the weak plague.
There is also the problem of using oxytocin, which is the loss of colostrum. Colostrum is the most important nutrient for piglets. Newborn piglets are not immune. They must eat enough colostrum to be resistant. So after the colostrum was lost, some of our piglets couldn’t eat it at all; the other reason that caused yellow and white piglets was the problem of insufficient colostrum.
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