The effect of a foreign object in the shell gland on egg production of hens on a calcium‐deficient diet
- 1 January 1969
- journal article
- research article
- Published by Taylor & Francis in British Poultry Science
- Vol. 10 (1) , 83-88
- https://doi.org/10.1080/00071666908415744
Abstract
When fed a calcium‐deficient diet normal hens stopped laying within 10 days, but hens with a thread in the shell gland continued to lay soft‐shelled eggs for about 9 weeks. This finding supports the hypothesis that calcium loss is an important factor in the regulation of reproductive activity in the domestic fowl.Keywords
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