OIE ad hoc Group Animal Welfare and Laying Hen Production Systems – Chapter 7.Z – November 2017
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Three experiments were carrie out to evaluate the influence of cage density on the performance of 25- to 84-week-old laying hens. Forty hundred Lohmann-LSL layers were distributed in cages (100x40x 45x50cm) according to a completely randomized experimental design with split plot in time.Three treatments (10, 12, or 14 hens per cage, corresponding, to 450, 375, …
The present study was conducted to determine the adverse effects of high temperature and humidity not only on live performance …