CORYNETOXICOSIS
 
Description    Cattle, sheep, and horses in Australia and South Africa developed neurologic disease after ingesting plants of the genera LOLIUM, POLYPOGON, and AGROSTIS colonized by ANGUINA species nematodes and the corynetoxin-producing bacterium RATHAYIBACTER TOXICUS. There are no clinical or pathologic findings that can be considered pathognomonic.
 
Species   Bovine, Equine, Ovine
 
Signs   Abnormal behavior, aggression, changing habits, Ataxia, Dullness, Dysmetria, Dyspnea, Excessive salivation, Fever, Grinding teeth, Inability to stand, Increased respiratory rate, Nystagmus, Opisthotonus, Prolapsed third eyelid, Propulsion, Seizures or syncope, Strabismus, Tetany, Trembling, Tremor
 
References   Finnie J. Neurological diseases of ruminant livestock in Australia. II: toxic disorders and nutritional deficiencies. Aust Vet J 2011;89:247 [Web Reference]
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