Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Hermes, J. C. (James C.); Pacific Northwest Cooperative Extension ([Covallis, Or.] : Oregon State University Extension Service, 2003-01)
Hens stop laying eggs for a variety of reasons. External or internal stimuli affect hormone levels, which change the condition of the ovary and oviduct, the organs responsible for egg production. The result of these chan ...