Article
Integument, mortality, and skeletal strength in extended production cycles for laying hens - effects of genotype and dietary zinc source.
British poultry science - 1 Apr 2022
Wall H, Boyner M, de Koning D J, Kindmark A, McCormack H A, Fleming R H, Lopes Pinto F, Tauson R
Abstract excerpt
1. This study on long-life layers, covering the period 20-100 weeks of age, investigated longitudinal effects on mortality, layer integument, and skeletal properties in Bovans White (BoW) and Lohmann Selected Leghorn Classic (LSL), with or without supplementation with dietary organic zinc (Zn).2. Two experiments, using 1440 layers in furnished small group cages (FC) and 1836 layers in a traditional floor housing...
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