Sheep paratuberculosis is a chronic diarrheal disease of adult sheep. Paratuberculosis of sheep is also called paratuberculosis enteritis. It is a diarrheal disease caused by a sheep infected with bacteria called M. tuberculosis. This disease is characterized by refractory diarrhea in adult sheep, long-lasting treatment, and gradual weight loss in sick sheep. Sheep paratuberculosis is a very serious infectious disease. This disease has no therapeutic value. After the disease occurs, the diseased sheep must be eliminated. Therefore, the sheep secondary tuberculosis is also a disease that is very harmful to the flock and needs active prevention.

How does the sheep's paratuberculosis spread? Is it how we diagnose it? Let's look at the diagnosis and response of a common diarrhea disease in adult sheep.

First, the causes and symptoms of sheep secondary tuberculosis

The paratuberculosis of the sheep is caused by the Mycobacterium tuberculosis. The Mycobacterium tuberculosis is more resistant to the external environment and the acid-base environment. It is difficult for the general disinfectant to kill the bacteria. Under suitable conditions, the bacteria It can survive for several months in a pen or pasture. Therefore, if there is such a bacterium in the sheep farm, it is a long-term potential hazard to the sheep farm.

The diseased sheep excrete bacteria through the feces, other sheep pass through the digestive tract, some ewes carry bacteria, and the lambs produced by the ewe may also carry the bacteria.

Sheep have a long incubation period, usually for several months, sometimes more than one year. Therefore, the adult tuberculosis of the adult sheep is mostly infected during the lamb period, and in the incubation period, the infected sheep will continue to spread the bacteria.

Clinically, adult sheep with onset will have repeated diarrhea, feces will be porridge-like, dark brown or egg-yellow, with a stench smell, long-term cure, the body of the sick sheep gradually lose weight, the fur is not shiny, some hair removal, and finally exhaustion And die.

If the above symptoms occur, consider the disease, and promptly diagnose and take preventive measures.

Second, the countermeasures for sheep secondary tuberculosis

Because the cost of treatment of sheep paratuberculosis is too high, it is generally not treated for this disease. As long as it is discovered, it is necessary to eliminate the diseased sheep.

Therefore, in production, the sheep should be quarantined regularly, the positive sheep should be eliminated, and harmless treatment should be carried out. If other sheep are introduced, they can no longer be mixed with these sheep. For the sheep farms or pastures that are affected, the pens should be thoroughly disinfected, and the disinfectant drugs such as caustic soda and bleaching powder can be used. The disinfected pens or pastures should be used for more than one year to avoid the recurrence of this disease.

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