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Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5] [6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8] S. bovis is commonly found in the alimentary tract of cattle, sheep, and other ruminants, [9] and may cause ruminal acidosis.
Sheep and goats: Scrapie prion PrP Sc: Yes 90.001.0.01.002. Transmissible mink encephalopathy (TME) Mink: TME prion PrP TME: No 90.001.0.01.003. Chronic wasting disease (CWD) Elk, white-tailed deer, mule deer and red deer: CWD prion PrP CWD: Yes 90.001.0.01.004. Bovine spongiform encephalopathy (BSE) commonly known as "mad cow disease" Cattle ...
Mad cow disease: A cow with BSE: Specialty: Neurology, veterinary medicine: Symptoms: Abnormal behavior, trouble walking, weight loss, inability to move [1] Complications: Variant Creutzfeldt-Jakob disease (if BSE-infected beef is eaten by humans) Usual onset: 4–5 years after exposure [2] Types: Classic, atypical [1] Causes: A type of prion ...
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.
Scrapie and other transmissible spongiform encephalopathies are caused by prions. [19] Prions were determined to be the infectious agent because transmission is difficult to prevent with heat, radiation and disinfectants, the agent does not evoke any detectable immune response, and it has a long incubation period of between 18 months and 5 years. [20]
Cryptococcosis is a potentially fatal fungal infection of mainly the lungs, presenting as a pneumonia, and in the brain, where it appears as a meningitis. [4] [9] [12] Coughing, difficulty breathing, chest pain and fever are seen when the lungs are infected. [5]
F. necrophorum is also a cause for lameness in sheep. Its infection is commonly called scald or foot rot. It can last for several years on land used by either sheep or cattle, and is found on most land of this type throughout the world. Due to its survival length in these areas, it is unrealistic to try to remove it.
Veterinarians have observed meningoencephalitis in animals infected with listeriosis, caused by the pathogenic bacteria L. monocytogenes. Meningitis and encephalitis already present in the brain or spinal cord of an animal may form simultaneously into meningeoencephalitis. [6] The bacteria commonly targets the sensitive structures of the brain ...