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Ovine pulmonary adenocarcinoma (OPA), also known as ovine pulmonary adenomatosis, or jaagsiekte, is a chronic and contagious disease of the lungs of sheep and goats. OPA is caused by a retrovirus called jaagsiekte sheep retrovirus (JSRV).
The simplest procedure for 'in field diagnosis' is the detection of antibodies by latex agglutination (LAT) as it is quick and simple to run, and has a long shelf-life. . Other procedures used for diagnosis include growth inhibition disc tests (GI), direct and indirect fluorescent antibody tests, complement fixation tests (CFT), indirect haemagglutination test (IHA), ELISA and
Symptoms are similar to those of rinderpest in cattle and involves oral necrosis, mucopurulent nasal and ocular discharges, cough, pneumonia, and diarrhea, [11] though they vary according to the previous immune status of the sheep, the geographic location, the time of year, or if the infection is new or chronic. They also vary according to the ...
Parasitic bronchitis, also known as hoose, husk, or verminous bronchitis, [1] is a disease of sheep, cattle, goats, [2] and swine caused by the presence of various species of parasite, commonly known as lungworms, [3] in the bronchial tubes or in the lungs. It is marked by cough, dyspnea, anorexia and constipation.
Sheep and goats are both small ruminants with cosmopolitan distributions due to their being kept historically and in modern times as grazers both individually and in herds in return for their production of milk, wool, and meat. [1] As such, the diseases of these animals are of great economic importance to humans.
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For goats infected with this disease, the most apparent sign of having it is their bodies wasting away, even with a sufficient diet. If a goat develops Johne's and it has diarrhea, it is most likely going to die. When it has diarrhea, the goat is at the last stages of the disease.
Caprine alphaherpesvirus 1 (CpHV-1) is a species of virus known to infect goats worldwide. It has been shown to produce systemic and respiratory symptoms in kids and to cause abortions in adult goats. [1] The virus is in the genus Varicellovirus, subfamily Alphaherpesvirinae, family Herpesviridae, and order Herpesvirales. [2]