Clark, R.; Oyaert, W.; Quin, J.I.; Alexander, R.A.; Clark, R.; Sterne, M.; Louw, J.G.; Van der Reyden, D.; De Kock, V.E.
(Published by The Government Printer, Pretoria, South Africa., 1951)
The dosing of urea into the rumen of sheep caused acute intoxication characterised
by atony of the rumen, muscular spasms and sudden death due to circulatory
failure.
The toxicity of urea was found to depend on the ...