How to Solve Common Problems in Sow Breeding
1 constipation
Q: Why is the sow diet containing more crude fiber than the hog, but is it harder than finishing pigs?
A: Because sows produce breast edema before and after giving birth, pigs do not. Breast edema can cause constipation. If you do not solve the problem of breast edema, only adding high-fiber raw materials (such as: bran) in the sow feed, the results did not improve constipation, and the addition of bran has the following disadvantages:
1) Reduce the nutritional concentration of the formula;
2) occupy the stomach space of the sow and reduce the nutrition that the sow can absorb;
3) Bran will produce a high amount of food waste heat, which will not only cause a waste of energy, but also increase the sow's body temperature, which will result in an even more severe anorexia.
4) Measures for physiological conditioning before childbirth can be effectively resolved.
2 lack of milk
Q: 45.2% of the death causes of piglets are sows' lack of milk. What causes sows to suffer from lactation?
A: The following three factors can cause sows to suffer from lactation.
First, mastitis. Breast edema. According to the findings of the anatomy, it was found that the sows lacking milk exhibited edema in the mammary gland tissue of the breast tissue and the sow during the late pregnancy. Mammary edema is a physiological phenomenon that occurs in pregnant sows. But if you do not pay attention to it, it will often turn into mastitis, which leads to lack of milk. Bacteria and virus infections. Therefore, we should pay more attention to the sow body surface and the disinfecting facilities.
Second, toxins. Mycotoxins and toxins produced by bacteria in their own vaccines.
Third, endocrine imbalance. The inevitable physiological changes such as embryonic growth in late pregnancy. Breast lactation function is normal and sufficient nutrition is provided before delivery.
3 dystocia
The sow had been pregnant for 114 days, but the piglets had died of dead or stillbirth due to a "difficult birth" and had to give up! In order to earn money, the pigs must reduce this unnecessary loss!
Q: How to prevent sows from giving birth?
A: First, find out why. 1) According to the statistics, the last 1/3 of a litter of litters often died of suffocation because the piglets had a shorter umbilical cord (85 CITI) while the sow's uterine horn had a length of about 150 to 200 cin. Therefore, in the latter part of the delivery, since the umbilical cord has been ruptured when it is not discharged, if the sow is anemic, tired, and unable to contract, the piglet cannot be discharged in time, and the piglet will die within 5 minutes due to suffocation. 2) Heat stress. 3) Disease.
Second, the method of prevention. 1) Provide enough sows for nutrition. 2) Add fine organic iron to the sow feed to increase the contractility of the sow's abdomen. 3) Reduce heat stress, such as reducing the content of crude fiber in feed. 4) Pay attention to the disinfection of delivery rooms. 5) Prenatal physiological adjustment measures.
4 Breast milk immunity
Q: Why does the sow hit the vaccine and the pig is still infected? Is the vaccine ineffective?
A: The friends of the pigs must all know that it is very difficult for a pig who does not eat colostrum to feed. This is because the newly born pig has little self-protection ability. It must rely on obtaining antibodies from the sow’s milk. Resistance to pathogens in the environment, so if the sow lacks milk, little milk or very poor milk, then even if the sow hit the vaccine, the pig is still squatting, still have pigs. So sometimes it's not a vaccine that doesn't work. It's not that the injection is wrong, but the sow is unable to produce enough milk, and the piglet is certainly not protected by the breastmilk antibody.
Solution: Before lactation, normal lactation function is adjusted, nutrition is sufficient, and colostrum is high enough for antibodies.
5 Anorexia
Q: How to improve the situation of sows anorexia?
Answer 1) Prevent sow mastitis. 2) Eliminate constipation in sows. 3) Shorten delivery time, reduce birth canal infections, and cooperate with environmental disinfection. 4) Lower the sow's body temperature: use a drip device; improve the ambient temperature; reduce the amount of crude fiber in the parent material (eg using less bran) to reduce food waste heat. 5) Change dry material to wet material. 6) Increase the addictiveness of the parent material.
6 not estrus
Q: Why are sows not estrus?
Answer: 1) The ovary is still. 2) Endocrine imbalance. The pig-raising friends will surely find that “when sows with good milking ability, as long as nutrition is properly supplemented, they have faster estrus after weaning,†because the performance of sows in the lactation period is closely related to the future estrus. 1).
According to the theory of endocrine physiology, after weaning, a high amount of prolactin is rapidly removed, which can stimulate the release of estrogen and allow the sow to show estrus in the shortest time. If the milk level of the sow in the lactation period is very low, after the weaning, the estrogen in the sow's body cannot be released in large quantities. If the sow is not in heat, the estrus period is short and it is easy for the manager to neglect.
In order for the sow to have a satisfactory lactation during lactation, the lactating function of the sow's udder must be adjusted prior to delivery, as the lactating function of the sow begins to develop before the farrowing to allow for lactation after delivery. use.
3) Insufficient body fat.
After sow weaning, we generally add aphrodisiac to feed. The main purpose of the sow is to allow sow body fat to accumulate to a certain extent to facilitate estrus. If the sow loses too much weight during lactation (if the lactation level increases, no Increase the nutrient concentration or amount), sows will cause estrus after weaning.
4) Physiological adjustment before and after childbirth, adequate nutrition, normal lactation function, and obvious estrus after weaning.
7 Infertility
Q: Have you ever had estrus in your sows on the court, but are you always unable to match or not have estrus?
A: Most people encounter this problem, most of them think of metritis or heat stress, but in fact there is a potential and neglected factor mycotoxin. The mycotoxin (F-2 toxin) acts like estrogen, so the sow will have estrus, but when the sow's estrogen is too high, the sow cannot become pregnant and will not be able to keep it. Apart from the above factors, the sows are too thin after weaning and they do not have heat, and they do not need to breed. This is the result of undernutrition before and after childbirth.
8 Feet
Q: What caused the lameness?
Answer: 1) Soft foot. Sow the sow on a slippery floor (such as a moss-covered floor), causing strain on the feet, stress, and bone abnormalities. When the sow has good lactation capacity or increased milk yield, if there is no additional supplement of higher calcium and phosphorus, the sows will use calcium and phosphorus in their own bones, making the bones loose and causing the feet to rub off after weaning. 2) Arthritis. It is caused by bacterial infections, which must be disinfected on the ground to reduce the incidence. 3) Foot cracking. The cause of hoof cracking is not only because of the rough floor of the pig house, but also because of the lack of biotin. In addition, pigs lacking biotin are very prone to bruising, and the chance of infection of pathogens through wounds increases.
9 The fundamental way to solve the problem of sows
Solve the eight difficult issues of sows above, the most important is the "concept", mainly to eradicate the old and traditional pig-raising methods, accept scientific pig raising, melons, beans and beans, good results can be fruitful, this is the solution The tricky problem of sows, the fundamental way of raising pigs to make money: scientific pigs "repair tires and physiological conditioning at the same time." Changing the concept of feeding, raising pigs to make money naturally rolling.
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