Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Conditional residual (predicted–observed) vs. predicted plots for the different model equations for feather damage (FD, range: 1–4) in laying hens. Independent variables included enrichment (Model FD1); enrichment and age (Model FD2); enrichment, age, and beak trimming (Model FD3); enrichment, age, and housing (Model FD4); enrichment, age, beak trimming, and housing (Model FD5—final model).
