METABOLIZABLE ENERGY VALUE OF GROUND PADDY AND GROUND PIGEON PEA DETERMINED BY REGRESSION AND SINGLE FEEDING METHODS IN POULTRY DIETS.
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Abstract
Metabolizable energy value of paddy rice using 4 laying hens and of pigeon pea using 4 adult cockerel broilers were determined by replacement of test meterial in basal diet at 0, 15, 30 and 45 %. This technique was compared to the single feeding method using regression analysis trial, 5 day preliminary period was followed by 4 day collection period during which the amount of feed intake and excreta were collected quantitatively once a day at 11.00 A.M. and determined for DM and gross energy. The results indicated a stepwise reduction in metabolizable energy of the diets as proportion of ground paddy or ground pigeon pea increased. Metabolizable energy value of paddy rice calculated by regression was 8.779 comparing to 10.593 KJ/g as determined by single feeding. method while the estimated value for pigeon pea was 7.805 comparing to 5.725 KJ/g, obtained from the single feeding method. Since negative and possitive associative effect have been found in ground paddy and pigeon pea respectively, it is suggested that regression method is suitable for ME determination of both feedstuffs than single feeding method. An alternative method for the regression should be the substitution of test material at 40% of basal diet.
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References
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