Metabolizable energy value of porcine meat and bone meal for broiler chickens
- 1 March 2012
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Animal Science
- Vol. 92 (1), 73-78
- https://doi.org/10.4141/cjas2011-103
Abstract
Bolarinwa, O. A., Olukosi, O. A. and Adeola, O. 2012. Metabolizable energy value of porcine meat and bone meal for broiler chickens. Can. J. Anim. Sci. 92: 73–78. Ross 308 broiler chickens at 14 d post-hatch were used in a 7-d experiment to determine the metabolizable energy (ME) value of two meat and bone meal (MBM) samples. Three hundred and thirty-six broiler chickens were grouped by weight into eight blocks of seven cages with six birds per cage. The seven diets consisted of a corn-soybean meal reference diet formulated to meet the NRC (1994) requirement, and six test diets. The reference diet contained four energy sources namely corn, soybean meal, corn starch and soy oil. In the test diets, each of the two MBM samples were added to the reference diet at 30, 60 or 90 g kg−1 diet to partly replace the energy sources such that the ratio of the energy sources to one another was kept constant in all the diets. The ME and nitrogen-corrected ME (MEn) of the MBM samples were determined by the regression method in which the MBM contribution to ME, and MEn of the diets, in kilocalories, were regressed against the amount of MBM intake in grams. Gross energy of MBM1 and MBM2 were 4247 and 4697 kcal kg−1 DM, respectively. The crude protein, ash, and crude fat contents for MBM1 or MBM2 were 567 or 594, 264 or 211, and 106 or 116 g kg−1 DM. Addition of MBM linearly decreased (P−1 DM for MBM1, and 2711 and 2127 kcal kg−1 DM for MBM2; thus MBM can be included in the diets of broiler chickens at less than 10% to provide energy.Keywords
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