publication . Article . 2016

Performance of Japanese quails fed diets with low-protein and isoleucine

Graciene Conceição Santos; Edivaldo Antonio Garcia; Javer Alves Vieira Filho; Andrea Britto Molino; Kleber Pelicia; Daniella Aparecida Berto;
Open Access English
  • Published: 01 Jun 2016
  • Publisher: Editora da Universidade Estadual de Maringá
ABSTRACT. Aiming to assess isoleucine levels in low protein diets for laying Japanese quails, 648 quails of 182 days of age were distributed in experimental block design with six treatments and six replicates of 18 birds each. Treatments consisted of a basal level corresponding to 0.672% isoleucine and supplemented with isoleucine to the levels of 0.816, 0.960; 1.104; 1.248%. The experimental diets were compared to a control diet containing 20% CP. The parameters studied were: performance, egg quality, total solids and nitrogen in the excreta. There was a linear increase only for isoleucine intake with increasing levels of isoleucine in the diets. The comparison...
free text keywords:, branched-chain amino acid; performance; nitrogen excretion; egg quality, performance, nitrogen excretion, egg quality, aminoácido ramificado, desempenho, excreção de nitrogênio, qualidade de ovos, Total dissolved solids, Biology, Excretion, Quail, biology.animal, Isoleucine intake, Biochemistry, Branched-chain amino acid, chemistry.chemical_compound, chemistry, Yolk, food.ingredient, food, Isoleucine, Animal culture, SF1-1100
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