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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

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Abstract

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.

Item Type:Article
Keyword:Cassava; Goats; Hydrogen cyanide; Liver; Periportal necrosis; Sheep; Thiocyanate
Faculty or Institute:Faculty of Agriculture
Faculty of Veterinary Medicine
Institute of Bioscience
Faculty of Medicine and Health Science
Publisher:Universiti Putra Malaysia Press
ID Code:17427
Deposited By: Norhazura Hamzah
Deposited On:21 Dec 2011 13:39
Last Modified:22 Nov 2016 17:23

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