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In the case of stomach-bots it is often uncertain how much clinical disease or loss of production small levels of infestation causes the host. With infestations of warble-flies and nasal-bots severe distress to the hosts may be caused and there are production losses from reduction of value of cattle hides, and reduced grazing time by sheep.
Oestrus ovis, the sheep bot fly, is a widespread species of fly of the genus Oestrus. It is known for its parasitic predation and damage to sheep, deer, goats and sometimes cattle. There have also been many records of horse, dog [1] and human infestation. In some areas of the world it is a significant pest which affects the agricultural economy.
Gasterophilus nasalis (also called throat bot fly or horse nasal bot fly [2]) is a species of the genus Gasterophilus and family Oestridae. This species is found worldwide, but prominently present within the summer months. This species of G. nasalis primarily targets equines, such as horses, donkeys and the plains zebra. [3]
Infection is usually in the nasal cavity. Typical signs in dogs include sneezing, nasal discharge, bleeding from the nose, and ulcerations of the nose. [23] Pythiosis is a disease caused by a water mould of the genus Pythium, P. insidiosum. It occurs primarily in dogs and horses, but can also affect humans.
enzootic nasal adenocarcinoma; 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)
Some countries allow mulesing, a practice that involves stripping away the skin on the rump to prevent fly-strike, normally performed when the sheep is a lamb. [122] [123] Nose bots are fly larvae that inhabit a sheep's sinuses, causing breathing difficulties and discomfort. Common signs are a discharge from the nasal passage, sneezing, and ...
Frostbite in dogs is a serious condition. It occurs when the skin and underlying tissues are exposed to freezing or extremely cold temperatures for a prolonged period of time.
Symptoms in domestic sheep can range from mild respiratory disease, severe pneumonia and even death. [1] Clinical and subclinical symptoms may be present in domestic sheep. Clinical symptoms may include fever, lethargy, decreased appetite, nasal discharge, coughing, and decreased milk production in ewes. [ 1 ]