Niveles de fosfatasa alcalina en pollitos con dietas bajas en proteína, comparando aminoácidos totales y aminoácidos digestibles
Keywords:
Fosfatasa alcalina, pollos, proteína ideal, aminoácidos, Alkaline phosphatase, bone, ideal protein, boiler, amino acids, Phosphatase alkaline, poulets, protéine idéale, acides aminésAbstract
Alkaline phosphate (AP) enzyme levels were studied in 240 broiler male Hubbard chicks from 1 to 21 days old, which were allocated in electrical batteries and they were randomly distributed in 3 x 2 factorial arrangements in 6 treatments 4 repetitions with 10 chicks each. The feed formulation with digestible amino acids (DAA) using ideal protein concept (IP) and total amino acids (TAA) was done at 12, 14 and 16% of crude protein (CP). The weight gain and feed intake were measured to estimate the feed conversion. Blood serum samples were taken to determinate the AP levels. The results to productive parameters were not differences (P>0.05) with TAA and DAA in body gain (387g y 367g), feed intake (453g y 470g) and feed conversion (1.19 y 1.29), for the CP levels in weight gain (337b, 385ª, 408b), and the feed intake (408b, 481ª, 496ª) the 12% CP level was minor (P 0.05) , in feed conversion (1.23, 1.25, 1.23) were not difference (P>0.05). The AP serum levels were increased (P 0.10) with DAA (21806b, 18604ª). The body gain is affected when the CP is reduced at 12%, the feed formulation with DAA and IP the serum levels AP is incremented.
