32/20 | Clinical & Field Article | Veterinary Pharmacology and Toxicology

Nitrite Poisoning in Kilakaraisal and Vembur Sheep – A Case study

P.Suresh Kumar and A. Palanisammi

Tamil Nadu Veterinary and Animal Sciences University, Veterinary College and Research Institute, Tirunelveli- 627 358, Tamil Nadu

Published in the Indian Veterinary Journal July 2020: 97 (7) - pages 43 to 44
(Received: February, 2020, Accepted: May, 2020)


Nitrate / Nitrite poisoning in Sheep occurs when there is an abrupt change in diet from the introduction of a feed source with high nitrate levels. Over / improper/ uneven fertilization of fodder with untreated manure and occurrence of drought season followed by a rainy season could result in higher level of accumulation of nitrate in plants. A sudden death was reported in Kilakaraisal and Vembur Sheep of 2-3 (between 2-5 years of age) at Melapalayam of Tirunelveli district. All the affected animals were treated with intravenous administration of 1% methylene blue @ 4 mg/kg BW. Subsequently the animals showed an uneventful recovery from the condition and diagnosed as nitrate/ nitrite poisoning by the rapid response to the treatment which is the form of diagnosis of the intoxication

Key Words: Kilakaraisal, Vembur, Sheep, Nitrite, Poisoning

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