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Poult Sci. 2001 Mar;80(3):306-13.

Studies on feeding peanut meal as a protein source for broiler chickens.

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1
Department of Agricultural and Applied Economics, University of Georgia, Athens 30602-7509, USA.

Abstract

Four experiments were conducted to compare the performance of broilers fed soybean meal (SBM) versus peanut meal (PNM) as protein sources. Ross x Ross 208 broiler chickens were placed in battery brooders (Experiments 1 to 3, four replicates of 8 chicks per treatment) and floor pens (Experiment 4, four replicates of 34 chicks per treatment). In Experiment 1, addition of 0, 0.1, 0.2, and 0.3% Thr to a corn-PNM-based diet increased 0 to 18 d BW gain (BWG; 0.374c vs. 0.495b vs. 0.508b vs. 0.508b kg, respectively) and decreased feed conversion ratio (FCR; 2.09c vs. 1.63b vs. vs. 1.54b vs. 1.54b g/g, respectively) compared to the corn-SBM-based control diet (BWG = 0.593a and FCR = 1.36a). In Experiment 2, diets were formulated with the same amino acid minimums, and as the percentage of PNM increased in the diets (0, 10, 20, and 32%), BWG decreased (0.560a vs. 0.532a vs. 0.521a vs. 0.458b kg, respectively) and FCR increased (1.72b vs. 1.71b vs. 1.79bc vs. 1.86c g/g, respectively). In Experiment 3, addition of Thr to a corn-PNM-based diet increased BWG (-Thr = 0.284c vs. +Thr = 0.397b kg) and decreased FCR (-Thr = 1.60b vs. +Thr = 1.54b g/g). The BWG and FCR were best for the corn-SBM-based control diet (0.499a kg and 1.38a g/g, respectively). In Experiment 4, during the growing period (18 to 42 d), significant interactions occurred between protein source (PNM vs. SBM) and protein level (16 and 20% vs. 24%) for BW and FCR but not for carcass, breast, or leg quarter yield or fat pad weights (P < 0.05) at 42 d of age. Technical (not economic) performance of birds fed PNM was similar to SBM at the highest protein levels fed. PNM could be used as a protein source for broilers under appropriate economic conditions.

PMID:
11261561
[Indexed for MEDLINE]
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