Effect of different vitamin D sources and calcium levels in the diet of layers in the second laying cycle
This study evaluated the effects of different sources of vitamin D and calcium levels on performance, egg quality and bone strength of hens in the second production cycle. A total of 384 Hy-Line W36 birds with 80 weeks of age were used, alloted into 3 x 4 factorial design (sources of vitamin D: chol...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Fundação APINCO de Ciência e Tecnologia Avícolas
2014-06-01
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Series: | Brazilian Journal of Poultry Science |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000200005&lng=en&tlng=en |