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Pakistan Journal of Biological Sciences
Year: 2009  |  Volume: 12  |  Issue: 18  |  Page No.: 1272 - 1276

Effects of Different Levels of Hatchery Wastes on the Performance, Carcass and Tibia Ash and Some Blood Parameters in Broiler Chicks

M. Mehdipour, M. Shams Shargh, B. Dastar and S. Hassani    

Abstract: This experiment was conducted to evaluate the effects of different levels of Hatchery Wastes (HW) on performance, tibia ash, blood calcium and phosphorus concentrations in broiler chickens. Birds were fed a corn-soybean meal diet for 7 days. The experimental treatments included a corn soybean meal diet and 3 other treatments containing 1.5, 3.0 and 4.5% HW. five replicate groups of 15 Ross 308 broiler chicks were allocated to each dietary treatment. Data were analyzed in a completely randomized design. Results indicated that there were no significant differences in weight gains among different dietary treatments. Feed intake in the 4.5% treatment was significantly higher (p<0.05) and 3% treatment had lower feed intake than the other treatments. The results indicated that feed conversion in the 3% HW treatment was lower in most of the period (p>0.05). Results of carcass analysis showed no significant differences between treatments. Also, there were no significant differences between blood calcium and phosphorous among treatments. The 4.5 and 3.0% hatchery wastes treatments had the highest tibia ash (p<0.05). Based on the result of this experiment, the utilization of hatchery wastes as much as 3% can increase tibia strength without having adverse effect on broilers performance.

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