How to diagnose and treat difficult and miscellaneous diseases of pigs
At present, individual pigs in the farm are infected by bacteria, viruses, toxoplasmosis, eperythrozoon, two or more pathogens. After the disease occurs, the effect of antibiotics alone is not good, and the farmers report that the body temperature can not be reduced by penicillin treatment. In this case, we should analyze that the pig may be infected by more than two pathogens, which is a difficult and miscellaneous disease of pigs. The main manifestations of diseased pigs are:
(1) High fever, loss of appetite, mental malaise, constipation or diarrhea
(2) clear nose or mucus, dyspnea, shortness of breath, asthma, cough
(3) dampness and heat of epidemic virus, high fever, stopping eating, dry stool, yellow and little urine, red and swollen conjunctiva, skin erythema and rash.
(4) the pregnant sows showed high fever, no eating, asthma, bad nerves, ear tips, purple or dark blue skin, abortion and stillbirth, which were ineffective with routine treatment.
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Pig arthralgia syndrome
[etiology] due to the dampness of the pig house, coupled with exogenous wind, cold and dampness, the meridians of the affected pigs were stagnated, and the qi and blood was stagnant. If the blood stasis is blocked, it will be painful, resulting in pain and paralysis in the hindquarters. The disease mostly occurs in winter and spring. Symptoms often occur suddenly, starting from the hindlimb and gradually extending to the abdomen and even the whole body. Suffering from pig lameness, local muscle pain, arch waist bundle walk, some like to lie down, drive reluctantly, but with the exercise time, the pain gradually relieved. Tenderness is common at the site of the disease, and the body temperature is usually about 38-39 ℃.
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Persistence of transmission of porcine reproductive and respiratory syndrome (prrs) virus
Porcine reproductive and respiratory syndrome (PRRS) virus has a great impact on the economic benefits of the global pig industry. The disease increases mortality, reduces pig production performance and growth rate, and increases the cost of vaccines and drugs. Although many prevention and control measures have been put forward, their effects are still different after implementation, so these measures are not suitable for some pig farms. PRRS virus has long-term pathogenic infectivity and can spread horizontally and longitudinally. Fetuses in the womb and piglets before weaning are infected with the virus late and can be transmitted to
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