RESUMO Para avaliar a influência das formas de apresentação do milho e a presença de pedrisco granítico sobre o desempenho em frangos de corte, utilizaram-se 720 frangos com 22 dias de idade, de ambos os sexos, submetidos aos tratamentos: forma de apresentação do milho (inteiro, moído grosso e moído fino), pedrisco (ausên-cia e presença) e sexo (macho e fêmea). O experimento foi conduzido em um delineamento inteiramente casualizado (DIC) em esquema fatorial 3 x 2 x 2 (formas de apresentação do milho, sem e com pedrisco e sexo), com quatro repetições de quinze aves em cada uma. Para avaliar o desempenho das aves em 3 períodos consecutivos (22 a
EFFECT OF THE FORMS OF PRESENTATION OF CORN AND THE USE OF GRIT IN THE RATIONS ON PERFORMANCE IN BROILERABSTRACT In order to evaluate the influence of the forms of presentation of corn and the presence of granitic grit on the performance of broiler, 720 broiler 22 days old from both sexes were used. The treatments employed were: form of presentation of corn (whole, gross and fine ground), grit (absence and presence) and sex (male and female). The experimental design was an completely randomized in factorial scheme 3 x 2 x 2 (form of presentation of corn, without and with grit and sex), with four replicates and fifteen birds in each. To
The experiment was conducted to evaluate fi ve nutritional plans based on sequences of standardized ileal digestible lysine: 0.90-0.80-0.70, 1.00-0.90-0.80, 1.10-1.00-0.90, 1.20-1.10-1.00, and 1.30-1.20-1.10% 90-0,80-0,70; 1,00-0,90-0,80; 1,10-1,00-0,90; 1,20-1,10-
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