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Why did my chickens stop laying?

Creator:

Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Hermes, J. C. (James C.), and Pacific Northwest Cooperative Extension

Abstract:

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 changes is the reduction or cessation of egg production. The most common stimuli that affect...

Resource Type:

Technical Report

Full Text:

Extension publication PNW 477, How to Feed your Laying and Breeding Hens. Stress Egg production is a hen’s
Chicken hatching egg production

Creator:

Oregon State College. Agricultural Experiment Station and Parker, Jesse Elmer, 1911-

Abstract:

Published June 1951. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

9/IJiIiiiiII Chicken Hatching Egg Production it it J. E
Identification of a mechanism underlying heritable subfertility in roosters homozygous for the rose comb allele

Creator:

McLean, Derek J.

Abstract:

The overall objective of this research was to define the cellular basis underlying heritable subfertility in roosters homozygous for the rose comb allele (R/R). Fertilization in the hen is preceded by the ascension of motile sperm through the vagina and sperm sequestration within sperm storage tubules (SST). The objective of...

Resource Type:

Dissertation

Full Text:

Polypeptides derived from chicken seminal plasma proteins following SDS-PAGE in a vertical slab gel