Published by The Government Printer, Pretoria, South Africa.
Abstract
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 activity of the ruminal flora,
as determined by the basic diet, and the presence of available carbohydrate.
Toxic symptoms after dosing urea were associated with the formation of
ammonia and a high pH of the ruminal contents. They could be prevented or
alleviated by the administration of acid.The articles have been scanned in colour with a HP Scanjet 5590; 300dpi.
Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format
