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Comparative growth and economic performance of broiler chicks using NRC and BIS standards of feeding

SHASHI PAL AND RANJIT SINGH
Deptt. of Livestock Production & Management
COVS, P.A.U., Ludhiana

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The study was conducted on 80 day-old broiler chicks from 0-8 weeks of age to ascertain the effect of rations based on NRC and BIS standards on the growth and economic performance of broilers. The day-old broilers were fed on two feeding regimes viz., T 1: the NRC (1994) recommended rations and T 2: the BIS (1992) recommended rations. The energy content of NRC rations was 3200 kcal ME/kg (as fed basis) and for BIS it was 2800 and 2900 kcal ME/kg (on D.M. basis) during 0-6 wk and 7-8 wks of age, respectively. Results indicated that weight gain, feed efficiency and protein efficiency ratio (PER) with NRC standard were significantly higher. No differences (P≤0.05) in percent breast meat, wing or leg yield were observed among treatments, but percent abdominal fat was significantly (P≤0.05) higher in T 2. However, the feed cost per bird and per kg live weight were higher in NRC standard. Economic analysis revealed that margin of profit over feed cost per bird was higher by 6.7% (Rs. 2.10) in T 2 than T 1. It was also observed that expenditure on feed per broiler upto 8 weeks of age was 13.8% (Rs. 8.14) higher in T 1 than in T 2. It was concluded that low energy diets based on BIS recommendation are more economical to produce commercial broilers but with slightly lower weight gain and feed efficiency than NRC.

Source : IPSACON-2005
 
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