Chemical composition and metabolizable energy values of feedstuffs for broiler chickens

Abstract

-The objective of this study was to estimate the values of apparent metabolizable energy and apparent metabolizable energy corrected for nitrogen balance and determine the chemical composition of the following feedstuffs: babassu meal, sunflower meal, corn gluten meal, babassu starch flour, meat and bones meal, beans, millet, cookies residue, pasta residue and bread-making residue. The traditional method of excreta collection was used with broilers in the period of 14 to 24 days of age, which were distributed in a completely randomized design with eleven treatments and six replicates of six birds each. Each feedstuff replaced the reference diet at levels of 30 or 40% depending on the type of feedstuff. Chicks were housed in cages fitted with trays to collect the excreta. The apparent metabolizable energy corrected for nitrogen balance (kcal/kg) on the natural matter of feedstuffs were: babassu meal, 1,116; sunflower meal, 1,607; corn gluten meal, 3,826; babassu flour starch, 1,731; meat and bone flour, 2,524; common beans, 693; millet, 3,046; cookies residue, 3,351; pasta residue, 3,543 and bread-making residue, 3,494.

Energy efficiency of pasta waste and its effect on performance, carcass, and economic viability of broilers

“…In the accumulated periods of 1 to 21 days, 1 to 35 days, and 1 to 42 days, the highest gross margins were observed, respectively, at the waste inclusion levels of 296.4, (3494 kcal kg −1 ) presented in the table of Rostagno et al (2017). However, the AMC GE of 0.8152 in the present experiment is lower than that calculated (0.9052) from the data given in the table by those authors and cited in the report of Silva et al (2012a). This contrasts with the lower MM and CF values (8.1 × 10.0 and 13.0 × 18.8 g kg −1 ) and higher NNE and DM values (743.6 × 729 and 888.7 × 885 g kg −1 ) in the present evaluated waste when compared with tabulated values.…”

Energy values and standardized ileal digestibility of amino acids in some feedstuffs for broilers

“…The AMEn and CAMEn values of BWM found in the present study were close to the 3352 kcal kg -1 and 85.37% observed by Rostagno et al (2011). However, they were lower than the 3494 kcal.kg -1 and 89% reported by Silva et al (2012). Nunes et al (2001), in turn, observed 4339 kcal.kg -1 AMEn and 97.90% CAMEn in biscuit waste used in broiler diets.…”

Pasta waste in the feeding of meat quail

“…Means and standard deviation for feed intake (FI), weight gain (WG), and feed conversion (FC) of quail fed diets with inclusion of pasta waste meal (PWM) levels. as-is basis) associated with its high energy value (3543 kcal AMEn/kg), according to Silva et al 2012a, provided a reduction in the lipid levels of the diets containing PWM (Table III). This is explained by the fact that the gradual increase in PWM led to a decrease in the dietary inclusion of corn, soybean oil, and soybean meal, whose ether extract contents were higher than those of PWM, which might have contributed to a decrease in adipose tissue deposition.…”

“…The composition of pasta waste as is includes 88.47% dry matter, 3543 kcal/kg nitrogen-corrected apparent metabolizable energy (AMEn), 12.66% crude protein, 0.09% ether extract, 0.08% calcium, and 0.27% phosphorus (Silva et al 2012a). In terms of amino acids, the ingredient contains 0.21% lysine, 0.17% methionine, 0.44% methionine + cystine, 0.25% threonine, 0.43% arginine, 0.41% valine, 0.37% isoleucine, 0.76% leucine, and 0.23% histidine (Silva et al 2012b) for chickens.…”