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OJVRTM
Online Journal of
Veterinary Research©
Volume 27 (5): 244-250, 2023
Terminalia
oblongata toxicity in
sheep.
Cao GR1, Alsalami MT2
1School of Veterinary Science, The
University of Queensland, Queensland 4072, Australia, 2 The Northwestern Agricultural University, Yangling,
Shaanxi, Peoples Republic of China.
ABSTRACT
Cao GR, Alsalami MT., Terminalia oblongata toxicity in sheep, Onl J Vet Res 27 (5): 244-250, 2023. We report
pathophysiology of chronic Terminalia
oblongata (yellow-wood) intoxication in sheep. Leaf was dried, milled and drenched
intraruminally to 7 sheep at various doses over
several weeks. Chronic administration reduced rumen movements, induced inappetence or anorexia, body weight loss, reduced water
intake and urine output. A normocytic, normochronic
anaemia was found with blood gas and acid-base metabolic acidosis. For effect on reduced renal function, renal mass was reduced 50% but none showed decrease
in renal concentrating ability. We deduce that sheep, not exposed to
yellow-wood leaf, may have natural resistance and continued exposure may induce
tolerance to the toxin.
KEY WORDS: Terminalia, yellow-wood,
tannins, sheep, intoxication.