comprehensive nationwide outbreak response, this year five, pig disease incidence rate is much higher than in previous years, resulting in many farms the size of rapid onset and caused the death of a large number of pigs. piglets infected blisters, no obvious symptoms, mainly for gastroenteritis and myocarditis, death rate as high as 80%; pregnant sows infection can occur because there are many sow abortion, five disease and can not be used, in some areas more about "five" color...... in fact, as long as we have the correct understanding, we can effectively prevent the five disease.
what is the number five disease (foot and mouth disease)?
foot and mouth disease is caused by the cloven hoofed animal of foot-and-mouth disease virus infection of acute, febrile, contagious disease in oral mucosa, hoof, breast, skin blisters as features, spread fast. at present, the world is widely distributed, except in oceania, north america, after the eradication of the disease did not occur, asia, africa, south america and europe have occurred or epidemic. prevention and eradication of foot-and-mouth disease is very difficult, has become a worldwide problem the world animal health organization had the disease as the first infectious disease class a infectious disease in the import and export of international trade of animal and animal products the most important quarantine object.
clinical symptoms: the incubation period of foot and mouth disease is 24~96 hours, and the incubation period is 18~72 hours. the main symptoms of swine foot-and-mouth disease manifestations ranging from the size of the blisters and ulcers appeared on the coronet, heel, foot side fork, hoof and scalids skin, oral palate, buccal mucosa, tongue and other parts, nipple, breast and other parts will also appear in the sow blister. the pigs showed lethargy, anorexia, fever, blisters in the visible white circle appears before the coronet obvious, hoof temperature increased after hoof shell deformation or fall off, obvious limp pigs lying on the ground, can not stand. a full clear serous fluid or slightly turbid, blister soon pokui, revealing a dark red erosion surface neat edge, such as no secondary bacterial infection, the l ~ 2 weeks of lesion healing. if the serious lesions of the hoof, it takes more than 3 weeks to heal. foot and mouth disease generally does not kill more than 3% of adult pigs. when piglets are infected, the symptoms of blisters are not obvious, mainly gastroenteritis and myocarditis. the fatality rate is higher than 80%. pregnancy sows can cause miscarriage.
pathological changes: dead livestock body weight, except the nose, lips, gums, tongue mucosa occurred on the size of the circular water herpes and erosion lesions, throat, trachea and bronchus and gastric mucosa are rotten spot or ulcer, small intestine, large intestine mucosa showed hemorrhagic inflammation. young pig coated with diffuse hemorrhage, myocardial section with gray white or pale yellow spots or stripes, called tiger heart, myocardial soft like cooked like.
how can two, five disease (foot and mouth disease) be prevented and cured?
1. prevention: this disease has vaccine can be prevented, and now produced inactivated oil adjuvant vaccine, the effect is very good. pigs are immunized 1 times every 3 months, each injection of 2 ml / head, or intramuscular injection of high efficiency vaccine l ~ 1.5 ml / head. piglets were free at 40~45 days old, and 2 ml / head or 1 ml / head of high efficiency plantlets were injected in routine seedlings. 100~105 day old pigs were strengthened 1 times (two exemptions), and conventional seedlings were 2 ml / head or efficient plantlets l to 1.5 ml / head. immunization procedures can also be established according to local conditions.
2. comprehensive control measures:
(1), mixed infection and the cause of the mishap
there are also many aspects such as the mishap, the cement ground hard scratch foot, zizhu infants kneeling knee injuries of skin infection, boar breeding, sow climb caused by a hip injury ring falls and other violent activities, staphylococcus, streptococcus, bacillus pyogenes infection caused by secondary broken skin, limp or dare not stand.
solution: disinfect the pigsty with disinfectant every day is the most basic way to control the epidemic of the disease, and we should pay attention to choose the effective disinfectant. mishap caused by one hundred days, injured in the sinews or bones recovered more slowly, and need injection of lianhuaqingwen defeated lethal no di. a slight infection to keep barns dry, apply for disinfection junduging iodine, proper injection heavy long-term anti-inflammatory drugs of coffee etc..
(2) lack of vitamins, minerals and other infections
feed mill feed additive is uneven, minerals, uneven or insufficient, some long time storage is not fed has lost, some farming friends add mycotoxin adsorbent, such as silicate minerals, vitamins, resulting in a huge loss, caused by the hoof, leading to serious infection.
a. solutions usually drink feed navier, adding trace elements and mineral additives.
b. can also add astragalus immune peptide golden growth peptide, regulate intestinal tract, supplement vitamins, and improve the absorption rate of trace elements.
c. as little as possible to add low mycotoxin adsorbent, add high-grade adsorption and decomposition of mycotoxin drugs - - mycophenolate static.
3, some diseases caused by symptoms and secondary infection
arthritis caused by streptococcus a., generally single leg joints, local tissue fluid, have a fever, can choose the chain killing qingwenbaidu needle.
b. haemophilus influenzae, usually joint swelling of many legs, will appear systemic fever, and appear panting, can use bloodthirsty kang, inflammation poison cough, respectively intramuscular injection
de c. and inflammation caused by the hoof boxes, meat hoof blister, available junduging iodine smear, serious injection lianhuaqingwen defeated lethal climax of.
d. long lying cold caused by rheumatism, available morninglight climax of freezing point.
e. long illness, weakness, lack of food, cause hypoglycemia, weakness of limbs, comprehensive treatment. the intravenous glucose saline, vc, atp, inosine, complementary energy, with intramuscular injection of kangfuxin, |
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