Porcine mastitis is a common disease in lactating sows, often occurring in one or more breasts. Pig mastitis is second only to metritis, and sow breasts can affect the health of piglets. Lactating sows have redness and swelling and reduced lactation after mastitis.

First, the clinical symptoms of swine mastitis

One of the common inflammations in postpartum sows is swine mastitis. Currently, clinical porcine mastitis mainly manifests two cases:

1. The last pair of breasts is inflamed. The clinical symptoms are breast swelling, hardening, breast temperature higher than body temperature, inflammatory reaction with typical redness and heat pain, and it is mostly limited to the breast, it will not develop to the whole body, so it generally does not show high fever and decreased feed intake. symptom.

2, the last pair of breasts dry. Although there is no typical inflammatory response, the apparent size is smaller than the normal breast in front. The last pair of dry and inflamed breasts can affect the quality and quantity of milk that affects the sow. With or without inflammation, the lactation of sows will decrease. Normal sows have as many as 14 breasts, while sows currently have more than 12 litters. Under normal circumstances, the number of breasts is sufficient for piglets to be distributed, but when the last one Inflammation that occurs in two pairs of breasts does not result in proper lactation, which can result in individual piglets not being able to obtain sufficient milk to affect the growth and development of individual piglets, and even affect the survival rate of piglets.

At present, most pig farms use the positioning bar and the production bed. One of the common postures of the sow is the dog sitting posture. The last pair of breasts are easily squeezed and worn. When the pig house is poorly sanitary and the feces are not treated in time, the breasts are The wound is easily infected with pathogens such as streptococci and Staphylococcus aureus, which causes the breast to become inflamed and unable to lactate normally.

In addition, the physiological characteristics of the sow itself are that the nutrients are preferentially supplied to the front breast. When the sow is malnourished or the feed intake is decreased, the last two pairs of breasts are insufficiently supplied with nutrients and the lactation is not good. The piglets will bite with teeth in order to obtain milk. Infection due to trauma. If the lactation is not enough for a long time, the pig will no longer suck. When the breast is missing the sucking stimulation of the piglet, the breast will shrink and the lactation will become less and less. Therefore, pay attention to the health of the sow's breasts, priority should be paid to the last two pairs of breasts.

Second, the prevention of mastitis

1. Ensure the nutritional supply of the sow. When the sow's feed intake is normal, the mother's milk can be protected by adding a Chinese herbal medicine that promotes lactation to the sow's feed to maintain the quality of the sow's milk. When the feed intake is reduced (such as affected by heat stress), the feed formula needs to be adjusted to increase energy, trace elements and vitamins to ensure the supply of nutrients to the breast.

2. Improve the sanitation of the pig house. The pathogens of mastitis are common in the environment such as streptococci and staphylococcus. By improving environmental sanitation and reducing the content of pathogens in the pig house, the sows can provide a comfortable living environment, which is beneficial to the prevention and control of sow mastitis.

Third, the treatment of mastitis

1. Infusion therapy: 10% glucose 500ml, kanamycin 1.5 million units, dexamethasone 10ml and Vc10ml.

2, closed therapy: 0.25% procaine hydrochloride solution 50ml + penicillin 800,000 units, streptomycin 500,000 units, mixed injection in the gap between the breast parenchyma and the abdominal wall, once a day.

3, intramuscular injection of Houttuynia 40ml + cephalosporin 1-2g.

4, Chinese medicine treatment: dandelion 15g, honeysuckle 12g, forsythia 9g, loofah 15g, through grass 9g, pangolin 9g, hibiscus flower 9g a total of the end, with boiling water to adjust the temperature of a single irrigation. If the sow's breast abscess is severe, surgical treatment should be performed as soon as possible.

Sow mastitis not only harms the health of the sow but also the health of the piglet. Therefore, the farmers should take preventive measures in their daily management work. After all, only healthy sows can bring good economic benefits to the farm.

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