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Effect of using organic microminerals on performance and external quality of eggs of commercial laying hens at the end of laying R. Bras. Zootec.
Maciel,Mônica Patrícia; Saraiva,Edilson Paes; Aguiar,Édina de Fátima; Ribeiro,Pedro Assunção Pimenta; Passos,Débora Pereira; Silva,Jussara Barros.
The objective of the present study was to evaluate the effect of using microminerals in organic form on the performance and quality of eggs from commercial laying hens at the end of laying. Four hundred and eighty Hisex strain hens, 72 to 80 weeks of age, were used. A randomized complete design was used, with six replications and 16 birds for each experimental unit. Five diets were evaluated: basal feed supplemented with all microminerals in inorganic form (control); basal feed supplemented with 50% microminerals zinc (Zn) + manganese (Mn) + copper (Cu) in organic form and 50% in inorganic form; basal feed supplemented with 50% zinc in organic form and 50% in inorganic form; basal feed supplemented with 50% manganese in organic form and 50% in inorganic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Egg characteristics; Laying hens; Minerals; Production.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000200017
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