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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 9    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 9,September 2012
Growth response, carcass quality, some haematological and biochemical parameters of broiler chickens fed on diets supplemented with lanthanum salts
Full Text(PDF, )  PP.27‐43  
Author(s)
Igbasan, F. A. and Adebayo, O. S
KEYWORDS
Broiler chickens, growth response, carcass quality, biochemical parameters, lanthanum salts
ABSTRACT
An experiment was conducted with 180 one week old Arbor Acre broiler chickens to evaluate their growth response, carcass quality, haematological and biochemical variables when fed lanthanum supplemented diets. After a 7 d pre-trial period, the birds were randomly assigned to 9 dietary treatments. Dietary treatments included the unsupplemented basal diets and the basal diets supplemented with I00, 200, 300 or 400 mg/kg of either lanthanum chloride (LaCl3) or lanthanum oxide (La2O3). A completely randomized design with factorial arrangement of treatments was used with 4 replicate pens of 5 chicks assigned to each dietary treatment. Feed and water were provided ad libitum throughout the 8 wk trial period. At the end of the experiment, 2 birds per replicate, representing 8 birds per treatment were randomly selected, weighed and slaughtered for carcass quality, haematological and biochemical measurements. There was no significant (P = 0.05) difference in the final live weight, daily weight gain and feed conversion ratio of the birds fed the control diet and those fed lanthanum supplemented diets. Birds fed supplemental Lanthanum salts had higher (P = 0.05) daily feed intake than those fed the unsupplemented diet. Feeding diets containing lanthanum salts did not significantly (P = 0.05) alter the concentrations all the haematological and serum biochemical variables determined. It can be concluded that the inclusion of lanthanum salts in broiler diets did not improve performance parameters. 
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