Thyroid cassava toxicity in animals
1983
Tewe, O.O. (University of Ibadan (Nigeria). Nutritional Biochemistry Division)
The remarkably high levels of cyanide in the Nigerian cassava varieties that are used for animal feed and human consumption appear significant enough to necessitate an elucidation of their role in livestock performance and pathophysiology. This paper describes studies conducted at the University of Ibadan and Centro Internacional de Agricultura Tropical (CIAT) which attempted to quantify the hydrocyanic acid levels of Nigerian cassava varieties and their implications with respect to thiocyanate production, iodine metabolism, and thyroid histology during the growth and reproductive phases of life. The effect of iodine and protein deficiency on these parameters has also been evaluated. Evidence from these studies indicate that cassava diets might have deleterious effects on the overall productivity of animals when consumed over long periods of time.
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