2015
DOI: 10.1590/s0100-204x2015000800010
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Limestone particle sizes and lighting regimens on egg and bone quality of laying hens

Abstract: -The objective of this work was to evaluate the effect of limestone particle sizes in the diet and of lighting regimes on the egg and bone quality and on the performance of commercial laying hens. Three hundred Hissex White layers, at 18 weeks of age, were distributed in a completely randomized design, in a 5×2 factorial arrangement (coarse limestone in the diet at 0, 25, 50, 75, and 100%; with or without artificial light), with five replicates of six birds. No significant interaction was observed between part… Show more

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Cited by 4 publications
(2 citation statements)
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“… De Witt et al (2009) did not observe a coarse limestone effect on tibia breaking strength before 66 wk. Xavier et al. (2015a) indicated a positive effect of coarse limestone on tibia breaking strength from 36 wk to 90 wk.…”
Section: Discussionmentioning
confidence: 93%
See 1 more Smart Citation
“… De Witt et al (2009) did not observe a coarse limestone effect on tibia breaking strength before 66 wk. Xavier et al. (2015a) indicated a positive effect of coarse limestone on tibia breaking strength from 36 wk to 90 wk.…”
Section: Discussionmentioning
confidence: 93%
“…First, the incorporation level of coarse limestone particles. According to Xavier et al. (2015a) , tibia breaking strength linearly increases with the proportion of coarse limestone in the diet.…”
Section: Discussionmentioning
confidence: 99%