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Tissues thiocyanate (SCN) concentration and liver pathology of sheep and goats fed on cassava forages


Shaari, Mohd Rosly and Liang, Juan Boo and Mohamed Mustapha, Noordin and Somchit, Muhammad Nazrul Hakim and Mohd Jelan, Zainal Aznam (2010) Tissues thiocyanate (SCN) concentration and liver pathology of sheep and goats fed on cassava forages. Pertanika Journal of Tropical Agricultural Science, 33 (1). pp. 127-133. ISSN 1511-3701; ESSN: 2231-8542

Abstract / Synopsis

Cassava leaves are good sources of protein which have a potential to substitute grain concentrate in livestock feed. However, a major constraint in using cassava fodder as animal feed is the presence of hydrogen cyanide (HCN). A study was conducted to compare the cumulative effects of thiocyanate (a product from the detoxification of hydrogen cyanide) at 4 mg and 7 mg HCN/ kg body weight on sheep and goats. Thiocyanate was sourced from the detoxification of hydrogen cyanide in cassava. The tissue thiocyanate concentrations were found to be significantly (p<0.05) higher in liver (2.29 μg/mL/g tissue) of goats as compared to that of sheep. Meanwhile, histological examination of the liver revealed the presence of periportal necrosis. In spite of detoxification process of hydrogen cyanide to thiocyanate, it could be concluded that at 7 mg HCN/kg body weight, considerable amount of thiocyanate was retained in the body and accumulated in the liver.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Veterinary Medicine
Institute of Bioscience
Faculty of Medicine and Health Science
Publisher: Universiti Putra Malaysia Press
Keywords: Cassava; Goats; Hydrogen cyanide; Liver; Periportal necrosis; Sheep; Thiocyanate
Depositing User: Norhazura Hamzah
Date Deposited: 21 Dec 2011 05:39
Last Modified: 22 Nov 2016 09:23
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