Showing 2 of 2 results for "corticosterone"
Egg albumen corticosterone concentrations are used as a non-invasive measure of stress in laying hens because of their correlation with plasma corticosterone concentrations. This project determined the corticosterone concentrations in albumen of eggs collected from the three main production systems used in the Australian egg industry; conventional cages, free range and barn.
As the majority of hens in Australia are housed in cages, which is a controversial animal welfare issue for the egg industry, an analysis of nest boxes and their use by laying hens is an important aspect of understanding the effect on bird welfare, behaviour, and ultimately, egg production.
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