Prenatal and postpartum sow postpartum feedlessness is one of the common common diseases in sows during lactation, and it is more common. It mainly refers to the sow’s lack of appetite during breastfeeding, and even its use as a major clinical symptom. This pathological phenomenon. Once the disease occurs, it can cause the decline of lactation function, leading to diarrhea in suckling pigs, weakened resistance, slow growth or even death into a stiff pig or failure to die; even if it is stubborn and does not eat, it will lose weight, appear post-weaning, or be able to Emotional breeding, but the lower number of births in the next child, or long with infertility.

1. Causes

At present, the most popular blue ear disease and gastrointestinal function caused by circovirus are also one of the main reasons why sows do not eat.

Mycotoxins aggravate the blue ear disease and circovirus and cause double infection.

Caused by malnutrition, stress, inadequate water supply or poor quality, improper postpartum care, postpartum infection with pathogenic microorganisms, etc.

2. Prevention

Strengthen the feeding and management and the environmental control of the sow producing sow, prevent heat and heat, clean and ventilate, avoid unpleasant noise and reduce noise.

Always check the drinking water system and supply enough clean drinking water.

We must do a good job of immunization prevention, use immunization as the leading factor, and strengthen the sanitation and disinfection work.

Strictly preventing the feeding of moldy and degenerative feed and adding moldy toxin in the feed can effectively increase the birth rate and estrus rate, aiming at fewer sows of this year's sows, repeated infertility, postpartum and non-estrus. To strengthen the prevention of blue ear disease and circovirus, regular detoxification and detoxification can be performed on a regular basis, once a month for 5 days to 7 days.

3. Prenatal and postpartum dyspnea in sows

In the recent past, the symptoms of prenatal and postpartum dyspnea in sows are more common, with abdominal dyspnea and non-feeding. The diagnosis was mainly a combination of circovirus and Haemophilus parasuis. This phenomenon is more serious cause the sow's casualty rate is also relatively large. It is suggested that prevention should be used as the main method. First, prevention and feeding should be strengthened. Second, demycotic should be added to feed (mildew absorption); third, a-immuno nucleic acid should be regularly added to increase resistance to reduce circovirus. occur.

4. Sow postpartum constipation

Physical changes in the sows after farrowing have undergone significant changes, especially after the digestive organs of pigs have been relieved by squeezing. The water absorption capacity in the intestinal contents is enhanced. If the feeding and management are not scientific, constipation can be easily formed. In severe cases, it causes no food, bloating, fever, pulls “abacus beads” like stool, and the disease duration reaches more than a month, and the lactation stops. Seriously affect the development of the pig.

5. Control methods:

(1) increase sow activity and promote digestion;

(2) More than 15 days to 10 days after prenatal and postpartum feeding to the green succulent feed;

(3) 7 to 10 days after prenatal and postpartum, 2% to 4% of vegetable oil is added to feed to increase intestinal lubrication;

(4) Add more bran in the feed. The bran contains rich phytate phosphorus and has mild diarrhea;

(5) Add in the material: proprietary Chinese medicines that increase lactation capacity to reduce constipation and increase sow resistance, increase lactation, increase milk quality, and reduce diarrhea in piglets;

(6) It is not possible to feed a large amount of feed at one time during postpartum feeding. Gradually increase the amount of feed until normal feeding is resumed.

(7) Constipation occurs easily when fever occurs. When the sow has a fever, it should be treated promptly and quickly cured. Taking the above measures to test different sows respectively, all have achieved an ideal effect of constipation prevention.

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