Efficacy of certain litter materials on broiler performance
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Date
1999
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Department of Poultry Science, College of Veterinary and Animal Sciences, Mannuthy
Abstract
An experiment was designed and conducted at the Department of Poultry Science, College of Veterinary and Animal Sciences, Mannuthy to evaluate the efficacy of different litter materials on the performance of broilers under hot-humid conditions of Kerala. Two hundred and ten, one-day old straight-run commerical broiler chicks were reared for a period of eight weeks. The birds were allotted into five different litter treatment groups, viz., wood shavings (T,) which formed the control group, saw dust (T2), rice husk (T,), coir pith (TJ and paddy chaff (T5), each comprising of three replicates with fourteen birds each. Standard broiler starter and finisher rations were formulated as per BIS (1992) specifications for the broilers. The chicks were reared under standard managemental conditions upto eight weeks of age.
Results of the study revealed that body weight and body weight gain were not influenced by different litter treatments throughout the experimental period. Eventhough feed consumption and feed efficiency were influenced by litter materials during the initial periods, there obsno impact for the rest of the experimental period. Processing yields and losses were not affected by different litter treatments. Litter quality parameters like weight of the litter at the beginning and end of the experiment, weekly moisture content,
fortnightly ammonia-nitrogen content, nitrogen-phosphorus- potassium content, litter pH and proximate composition of the litter at the beginning, at sixth week and eighth week were significantly different (P<0.01) between different treatment groups. It was observed that eventhough there was significant difference (P<0.05) between treatment groups for mortality by fourth week of age, no significant difference was obtained for all other periods. Cost-benefit analysis revealed that net profit per bird by sixth week and eighth week of age was more for litter materials, viz., saw dust, rice husk, coir pith and paddy chaff than wood shavings.
Based on the above findings, it can be concluded that different litter materials, viz., saw dust, rice husk, coir pith and paddy chaff are equally good for broiler raising as wood shavings during the month of January through March in Kerala.
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