1, swine fever
1 pathogens and causes: swine fever is caused by the pigs of the family Polygonaceae in the skin of pigs, causing red spots, pus, crusting, cracks and other diseases.
2 Symptoms: Piglets are usually found in the head first, and the eye, cheeks and ears are often invaded, and gradually spread to the back, the sides of the trunk and the inside of the hind limbs. The affected part of the animal is itchy, often rubbing in the pen, column or mutual friction, and often rubbing the bleeding, after which the exudate formed suede. In the later stage, the skin of the affected animal is wrinkled or cracked, and the affected part is shed.
3 treatment: Any of the following may be used. a, 1-2% trichlorfon aqueous solution, spray or rinse the pig body. b, avermectin and doramectin. c, clean: use according to the instructions.
4 Prevention: The control of rickets should start from the population first, and the sows should be examined head by head. Those who are sick and have sputum should be actively treated. Breeder pigs should be regular and frequent treatment, during treatment, because the drugs are generally not kill the mite eggs, so after one week apart must medication. Sometimes, 3 doses are also necessary. While treating sick animals, it is also important to improve the environmental sanitation of the housing, and to maintain clean, dry and ventilated conditions. It is also important to apply the sprayed acaricide to treat the pig houses and utensils. In addition, the rickets should be prepared before the pregnant sows are placed on the bed so as not to affect the suckling piglets.
2 , exudative dermatitis
This disease often occurs in pigs 1-6 weeks old and is caused by staphylococci. The bacteria are bitten by a fight, causing exudative dermatitis on rough ground and tickle scratches. The incidence rate is not high, the mortality rate is usually 20%, sometimes as high as 80%, gradually forming a thick film, the skin becomes sticky and oily, and then forms a cracked hard layer, the fur is rough, the most common is Trauma on the limbs.
The treatment effect of this disease is different. In the early stage of the disease, injection antibiotics (cyanin, amoxicillin + sulfonamide) can be used for good results. The infected part can be washed with topical skin preservatives such as iodoform. Many cases of skin damage are caused by itching caused by sputum, causing the animal to rub against the wall. The lesion begins in the body. In addition, the broken device is not clean, the dog teeth are unreasonable, the ground is rough and the delivery column is unsanitary, etc. The cause is prevented. For piglets with serious infections, you can use potassium permanganate and chlorpyrifos to soak them for 2 times a day. Do the health work before the sows are placed on the bed, and do a good job of disinfecting the teeth and cutting the tail. Have an important role.
3, pig pox
The disease is caused by a virus, direct contact with infection, skin damage is a necessary condition for porcine pox infection. Pigs and other blood-sucking insects damage the skin and allow the virus to enter the skin. Most of the affected animals recovered after three weeks. The diseased skin was located in the back, abdomen, groin and inner thigh. The lesion began to be papules, and then developed into blisters. The blisters were easily attacked, and if they were infected, they would become pus. Frequent water cells will clot after rupture, and most of the molting will fall off after three weeks of infection. The diagnosis of this disease is not difficult. It must be differentiated from the rickets of pigs in the clinic. The acne without concomitant skin diseases will not be itchy and it is not difficult to identify the symptoms. If there is any doubt about the clinical diagnosis, skin histopathological examination should be performed, and the porcine pox virus can be recognized under an electron microscope. There is no specific treatment for swine pox, and the purpose of treatment is to prevent secondary infection of bacteria. The best way to control swine pox is to strengthen hygiene management and remove ectoparasites.
4, skin fungal disease (Qian Wei)
Skin fungal disease is a skin infection caused by human, animal and poultry caused by various skin molds, also known as dermatophytosis, surface fungal disease, microsporosis. The disease is distributed throughout the world. The pig mainly causes damage to the keratinized tissues such as coat, skin and hoof, and forms ecchymoses, which are characterized by hair loss, inflammatory exudation, sputum block and itching sensation, commonly known as money mites, hair removal, and baldness. Ranunculus, rash, etc.
The sick pigs are treated promptly, the affected part is first cut, then the suede is washed with warm soapy water, or the drug is directly rubbed. 10% salicylic acid alcohol or ointment or 5%-10% copper sulfate solution, applied daily or every other day until cured. Alternatively, it can be treated with clotrimazole water, mycin or griseofulvin.
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