Assessing metal bioaccumulation levels in muscles, feathers, litter and feed of poultry chicken (Gallus domesticus) and its environment

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Research Paper 01/10/2017
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Assessing metal bioaccumulation levels in muscles, feathers, litter and feed of poultry chicken (Gallus domesticus) and its environment

Rizwan Ullah, Rehana Ashar, Aasia Aziz, Shaukat Ali, Muhammad Babar, Zafar Tanveer
Int. J. Biosci.11( 4), 284-291, October 2017.
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The study reported here was conducted to detect the accumulation level of heavy metals in poultry chicken Gallus domesticus at two districts Mirpur and Bhimber of Azad Jammu and Kashmir. The concentration level of selected heavy metals (Pb, Zn, Cd, Ni, Co, Mn, Cu) was examined in muscle tissues of chest and thigh, feed, feathers, litter, water had been given to the broiler chicken. Thirty to forty days old broiler chicken had been selected for the exposure of heavy metals. The filtrate of digested samples were analyzed through Flame Atomic Absorption Spectrophotometer (FAAS). The results obtained from this study show that the concentration level of selected heavy metals in muscle tissues were below permissible limit set by WHO. WHO permissible limits of various metals (mg/kg) are determined as muscles- Pb 0.2, Cd 0.1-0.5, Ni 0.5, Zn 10-50, Cu 1mg, Mn 1mg. Water- mg/l Pb 0.01-0.05, Cd 0.01, Ni 0.2, Zn 5, Cu 2, Mn 0.1-0.4 Feed- mg/Kg Pb less than 1, Cd 1, Mn 30-40, Cu 1-10, Ni 10, In feathers all selected metals were below permissible limit except Ni exceeded. In water samples concentration level of Pb, Ni, Mn, Cd and Co exceeded the permissible limit while Zn and Cu were below permissible limit. In poultry litter concentration of Mn, Zn and Ni were higher. The accumulation of heavy metals in body tissues poultry chicken was insignificant, so the chicken can be deliberated safe for human ingestion.


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