PHOSPHATIC FERTILIZER, SUPERPHOSPHATE, TOXICITY IN CATTLE AND SHEEP
 
Description    Cattle and sheep grazed on pastures recently topdressed with superphosphate fertilizers can develop signs of illness. Signs might resemble hypocalcemia but there is no response to calcium. There are terminal nephritis and uremia.
 
Species   Bovine, Ovine
 
Signs   Abortion or weak newborns, Agalactia, Anorexia, Ataxia, Blindness, Colic, Coma, Dehydration, Diarrhea, Dullness, Dysmetria, Dyspnea, Generalized weakness, Grinding teeth, Hemoglobinuria or myoglobinuria, Inability to stand, Increased respiratory rate, Polydipsia, Polyuria, Red or brown urine, Tetraparesis
 
References   Poppenga RH. Commercial and Industrial Chemical Hazards for Ruminants. Vet Clin N A Food Anim Pract 2011;27:373 [Web Reference]
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