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The diagnosis of the disease is complex since there are multiple possible causes and cattle are reluctant to display any indications of pain. [ 4 ] The disease manifests itself most often in calves within four weeks of weaning , when calves are sorted into groups of roughly 10-15 in number, and sold to different feedlots via train, tractor ...
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.
Diagnosis is typically based on history and clinical findings when the veterinarian examines the cow. [2] Symptoms of hardware disease vary depending on where the object penetrates. [3] The cow exhibits an arched back, a reluctance to move and a slow, careful gait. The cow may groan when lying down, getting up, defecating and urinating.
This disease affects the upper respiratory tract as well as the reproductive tract of cattle, and is commonly found in feedlots across North America. [2] Clinical symptoms include fever, serous to mucopurulent nasal discharge, coughing, sneezing, difficulty breathing, conjunctivitis and loss of appetite. Ulcers commonly occur in the mouth and nose.
Electron micrograph of Bluetongue virus, scale bar = 50 nm. Bluetongue (BT) disease is a noncontagious, arthropod-borne viral disease affecting ruminants, [1] primarily sheep and other domestic or wild ruminants, including cattle, yaks, [2] goats, buffalo, deer, dromedaries, and antelope. [3]
A positive diagnosis of rain scald can be confirmed if filamentous bacteria are observed, as well as chains of small, spherical bacteria (cocci). [4] If a diagnosis cannot be confirmed with a microscope, blood agar cultures can be grown to confirm the presence of D. congolensis. [5] The resulting colonies have filaments and are yellow in colour.
A more acute form of East Coast fever called corridor disease occurs when buffalo-derived T. parva is transmitted to cattle. [3] Another form, called January disease, only occurs over the winter months in Zimbabwe due to the tick lifecycle. [citation needed] Native cattle are often resistant to the parasite, but not without symptoms. They are ...
It is the most common ocular disease of cattle (mostly beef). IBK is similar to human pink eye and causes severe infection of the conjunctiva, edema, corneal opacity, and ulceration. This disease is highly contagious and occurs worldwide. Younger animals are more susceptible, but recovery with minimal damage is usual, if they are treated early.
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