Extending laying hens' productive lifespan by molting: a pilot on-farm study and test of assessment methods with focus on functional traits and keel bone health.

during molting” showed a trend-level reduction, β = −0.99, SE = 0.59, z = −1.67, p = 0.095, and “before vs. after molting” was similarly non-significant, β = −1.50, SE = 0.78, z = −1.94, p = 0.053.

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