title: Effects of cages and semi-intensive deep litter pens on the behaviour, adrenal response and production in two strains of laying hens.
mesh_terms: D000311:Adrenal Glands / Q000033:anatomy & histology*; D000818:Animals; D001522:Behavior, Animal; D001772:Blood Cell Count; D001835:Body Weight; D002645:Chickens; D004531:Eggs; D005260:Female; D006799:Housing, Animal; D009929:Organ Size; D010060:Ovulation; D010902:Pituitary Gland / Q000033:anatomy & histology