PASPALUM STAGGERS, DALLIS, BAHIA, TABOSA, GALLETA GRASS POISONING
 
Description    Occurs when animals graze grasses, usually dallis grass (PASPALUM DILATATUM) or bahai grass (PASPALUM NOTATUM), invaded by the fungus CLAVICEPS PASPALI. CALIVEPS CINERA ergot has been associated with a similar syndrome when it infects tabosa grass (HILARIA MUTICA) and galleta grass (H. JAMESII). Morbidity might be 30-50 per cent within 2-3 days of a herd of cattle being placed in an infected pasture. Mortality generally less than 10%. Signs might not be evident when animal is at rest but become prominent when excited and disappear again when animal calms. When exposure stops recovery usually follows within 3-weeks.
 
Species   Bovine, Equine, Ovine
 
Signs   Abnormal behavior, aggression, changing habits, Ataxia, Dysmetria, Excessive salivation, Excitement, Hyperesthesia, Inability to stand, Opisthotonus, Paraparesis, Seizures or syncope, Tetany, Tetraparesis, Trembling, Tremor
 
References   Niles GA. Toxicoses of the Ruminant Nervous System. Vet Clin North Am Food Anim Pract 2017;33:111 [Web Reference]
Gibbons P. Cerebellar Disease of Ruminants. Vet Clin North Am Food Anim Pract 2017;33:59 [Web Reference]
Riet-Correa F. Mycotoxicoses of ruminants and horses. J Vet Diagn Invest 2013;25:692 [Web Reference]
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