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Archivos de Zootecnia
versión On-line ISSN 1885-4494versión impresa ISSN 0004-0592
Resumen
CRUZ, L.A. et al. Babassu mesocarp flour in broiler diets at the initial stage. Arch. zootec. [online]. 2013, vol.62, n.240, pp.525-532. ISSN 1885-4494. https://dx.doi.org/10.4321/S0004-05922013000400005.
The objective of this work was to evaluate the productive performance, carcass yield and blood proteins of 200 male broilers (Cobb 500) on the 821 days of age period, fed diets based on corn and soybean meal containing 0, 6, 12 and 18 % of babassu (Orbignya martiana) mesocarp flour (FMB), distributed in a completely randomized design with four treatments (levels of FMB, diets formulated to be isocaloric and isonitrogenous), five replicates and a experimental unit with 10 broilers. At 21 days old the broilers were slaughtered to evaluate carcass yield, and blood proteins. The inclusion of FMB not affected feed intake, but decreased the weight gain and feed conversion in the level 18 %. Carcass yield was affected in the highest levels of inclusion. The levels of total protein and globulins were the lower in the 6 % of inclusion. In conclusion, the addition up to 12 % of FMB did not compromise the performance of broiler. The inclusion of this ingredient increases the cost per kg of chicken produced and decreases the gross margin, being economically unviable.
Palabras clave : Alternative food; Byproduct; Plasma proteins.