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Some sheep scratch excessively and show patches of wool loss and lesions on the skin. Scratching sheep over the rump area may lead to a nibbling reflex, which is characteristic for the condition. [25] Signs of a chronic systemic disease appear later, with weight loss, anorexia, lethargy, and death. [25]
foot-and-mouth disease; mastitis; Nairobi sheep disease orthonairovirus (NSDV) infection; orf, also known as contagious ecthyma, contagious pustular dermatitis, infectious labial dermatitis, thistle disease, sore mouth, or scabby mouth; ovine encephalomyelitis (louping ill) ovine progressive pneumonia (OPP) ovine pulmonary adenocarcinoma
Borna disease is a severe neurological illness that predominantly affects horses and sheep, but it has been observed in a wide range of mammals. The disease is characterised by ataxia and abnormal depressive behaviour, frequently culminating in death.
Some abnormal behaviours may be related to environmental conditions (e.g. captive housing) whereas others may be due to medical conditions. The list does not include behaviours in animals that are genetically modified to express abnormal behaviour (e.g. reeler mice). A polar bear performing stereotyped pacing.
Drenching the sheep with carbon tetra-chloride in paraffin oil has proven to be an alternative. However, drenching in more than recommended doses can be fatal, by causing liver damage, which could initiate the disease in sheep carrying B. oedematiens spores. [7] Drainage is an effective option to eliminate the snails. [6]
Neurological signs are normally acute. These signs include opisthotonus, hyperaesthesia, abnormal behaviour, ataxia, head pressing, blindness, proprioceptive deficits, coma and seizures. Sudden death occurs in neonates. Subacute disease almost always fatal, causing depression, anorexia, ataxia and a pronounced dyspnea.
Denmark reported Tuesday cases of bluetongue in the country's east, a non-contagious, insect-borne viral disease that is harmless to humans but can be fatal for so-called ruminant animals ...
Louping-ill is a tick-transmitted disease whose occurrence is closely related to the distribution of the primary vector, the sheep tick Ixodes ricinus. It also causes disease in red grouse, and can affect humans. The name 'louping-ill' is derived from an old Scottish word describing the effect of the disease in sheep whereby they 'loup' or ...