Bioavailability of metabolizable energy through kemzyme supplementation in broiler rations
2004
Naqvi, L.U. (Kausar Feeds, Okara (Pakistan)) | Nadeem, A.
This project was planned to study the bioavailability of metabolizable energy through enzyme (kemzyme) supplementation in broiler rations. One hundred and fifty day-old broiler chicks were randomly distributed into 15 pens, with 10 chicks per pen. Five isonitrogenous starter and finisher rations (A, B, C, D and E) were formulated such that rations A and F contained 3200 KCal/kg energy, B and C contained 3000 KCal/kg. while rations D and E contained 2800 KCal/kg energy each. Ration A served as control ration. Kemzyme was added only in rations C and E at the rate of 0.5 kg/ton of feed. Performance of birds in terms of weekly weight gain, feed consumption, and feed conversion ratio (FCR) of each treatment was recorded. The results indicated that higher levels of energy (3200 and 3000 KCal/kg) with kemzyme produced better weight gain and FCR as compared to rations containing low energy levels without kemzyme.
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