(1) Clinical symptoms: The anus-locked pigs are often not responsible because they do not produce meconium. After 1-2 days, the sick pig has increased abdominal circumference due to lack of defecation. He does not eat milk, stays dumb, and frequently takes responsibility. At this time, it can be seen that the skin outside the anus bulges outwards instead of the anus. Afterwards, symptoms of systemic poisoning gradually appeared, and subsequently died of failure. Sometimes rectal vaginal fistula is visible, that is, there is a channel between the rectum and the vagina. The excrement and urination are discharged from the vulva. This phenomenon is found in piglets. The occurrence of defecation disorder is not obvious, and sometimes it is not treated, and it can grow to slaughter.
(2) The treatment of the anus must be performed with anorectomy. The affected pigs were placed upside down or sideways, localized, washed with 1% solution, and infiltrated with 0.5% procaine solution. Under the tail root, the anal bulge or equivalent to the normal anus, cut a circular flap of the anus, bluntly separate the loose connective tissue around the blind end of the rectum, cut the exposed rectum blind, discharge the accumulated feces, use 0.1% fresh clean and extinguish the solution repeatedly washing the Department, in the rectum close to the anus to plug a cotton ball, to prevent fecal water spills, the rectal mucosa and the skin margin to do symmetrical nodules suture or buttonhole suture, antibiotics around the incision ointment.
Dongguan City Risen Medical Products Co., Ltd. , https://www.risenppe.com