What is the cause of proctoptosis in pigs?

Porcine proctoptosis is one of the main diseases that threaten the health of pigs, especially in spring. What is the reason for pig proctoptosis?

Causes of proctoptosis in pigs Since proctoptosis in pigs will lead to the death of pigs, it is necessary to find out the causes and treat them as soon as possible. In fact, the factors that cause proctoptosis in pigs are very complicated, and we need to analyze and eliminate these reasons. There are several reasons for proctoptosis in pigs:

1, disease factors

Mainly caused by long-term constipation or intractable diarrhea; Vaginitis, urethritis and urethral calculus may also cause proctoptosis; When pigs have respiratory diseases, severe cough and increased abdominal pressure can also cause ectopic rectal prolapse.

2. Toxin factor

If there are a large number of mycotoxins in feed or environment, pigs can cause rectal swelling and proctoptosis after eating; Adding a large amount of cottonseed meal for a long time will also cause poisoning and proctoptosis in pigs.

3. Drug factors

When a large dose of lincomycin or tylosin is added to the feed, the rectal margin will swell, and then rectal prolapse will occur. In addition, adding some antibiotics for a long time will cause constipation caused by imbalance of intestinal flora in pigs, which will lead to proctoptosis.

4. Physiological factors

Obesity or high abdominal pressure in the third trimester of pregnancy, uterine compression of rectum and relaxation of anal sphincter can all induce proctoptosis in sows.

5. Feeding factors

If the crude fiber content in the feed is too low, the decline of intestinal peristalsis will cause proctoptosis; Poor nutrition, sudden change of feed, and a large amount of sediment or other foreign bodies mixed in the feed will all cause proctoptosis in pigs.

6. Management factors

When the weather is cold and the ambient temperature is too low, the pigs are crowded and over-squeezed, causing mechanical proctoptosis; Excessive temperature, sudden change of weather and various stress factors in feeding management, such as biting, running and strenuous exercise, can also cause proctoptosis in pigs. In addition, the lack of exercise affects the secretion function and gastrointestinal digestive function of pigs, leading to intestinal content stagnation and proctoptosis caused by constipation.

Prevention method of pig proctoptosis 1, the prevention of pig proctoptosis should first strengthen feeding management, prevent fright and reduce various stresses. During the period, we should pay attention to the cold and warmth in winter, prevent the temperature from being too high in summer, and keep the pigsty clean and dry.

2. Scientifically feed the nutritious complete feed (it is suggested to measure the fiber content in the feed with a coarse fiber measuring instrument when selecting pig food), and at the same time supplement more green feed, in addition, give enough clean drinking water and keep proper exercise; Prevent feed mildew; If the abdominal pressure is too high in the third trimester, the nutritional concentration of feed can be appropriately increased and the feeding amount can be reduced.

3. Pay attention to medication to prevent the side effects of drugs.

Treat pig proctoptosis 1, treat primary disease, check feces frequently, and treat digestive system diseases in time. If proctoptosis is secondary to constipation, diarrhea and other diseases, we should actively treat these primary diseases. After the primary disease is cured, rectocele can be cured.

2. When the prolapsed intestine is slightly rectocele, the prolapsed rectum is shorter. You can use warm 1% alum water or 0. 1% potassium permanganate water to clean the prolapsed intestine and anus, lift the pig's hind legs, slowly send them back to the abdominal cavity, and then inject 95% alcohol into the anus at four points, 2 ~ 3 ml per point. Finally, let the pig's hind drive off the ground and keep it in Baoding for 20 ~ 30 minutes. The bad stimulation of rectum gradually decreases, and after the responsibility disappears, it is put into a single circle for isolated feeding.

3. Surgical treatment of pigs with severe proctoptosis requires surgical treatment. In case of severe edema, gently puncture the edema mucosa with an injection needle, and then gently squeeze out the edema liquid by hand; If the mucosa is ulcerated and necrotic, the carrion should be peeled off and cleaned, but be careful not to damage the intestinal muscle layer. Then the prolapsed part is gently reset and sent to the anus, and purse-string suture is made around the anus. After sewing, the knot should be loosened to allow the pig to excrete feces smoothly. During the operation, we must pay attention to the strict cleaning and disinfection of surgical instruments such as needles, threads and scissors, as well as the parts that have come out such as arms and anus. To prevent serious anger from causing intestinal prolapse again, 5 ~ 1% procaine hydrochloride solution can be injected into the fossa. Pay attention to the whole body changes after operation, and use antibiotics to cooperate with treatment when necessary, and generally return to normal in 3 ~ 5 days.

Rectocele is very easy to recur. Pigs with proctoptosis for more than 2 times should be eliminated without feeding value, and sows with proctoptosis should not stay.

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