If you check the websites of companies that breed laying hens, their hens are all fed special diets with everything carefully measured. Hy-line even has special diets to follow when the laying houses raise their chicks.
Cathryn rainbowsilkiesTM in Michigan
On Friday, June 13, 2014 12:27 PM, "sidesaddle5@yahoo.com [CHICKENS-101]" <CHICKENS-101@yahoogroups.com> wrote:
< What do you think?>>
Makes sense to me, although I haven't had enough experience breeding to know for sure. Interesting to think about, though--it would seem that thin shells would be less likely to survive incubation, thus less likely for the gene to be passed along. On the other hand, it could be a recessive gene, such that it doesn't always show but can be passed along--or else it might only show if both parents have the gene. Yet another possibility is that with the commercial egg layers, the breeding emphasis would be on increasing the rate of laying, which increases the possibility that another trait (such as good shells) might suffer--something a producer/breeder might put up with as long as most of the layers have his desired trait of heavy laying, and the eggs themselves are solid enough to be packaged (although possibly not as solid as what a non-commercial-breed shell typically would be).
Just going by horse breeding...
Rhonda
STOP CORPORATE ABUSE--BAN ALL GMOs!
Makes sense to me, although I haven't had enough experience breeding to know for sure. Interesting to think about, though--it would seem that thin shells would be less likely to survive incubation, thus less likely for the gene to be passed along. On the other hand, it could be a recessive gene, such that it doesn't always show but can be passed along--or else it might only show if both parents have the gene. Yet another possibility is that with the commercial egg layers, the breeding emphasis would be on increasing the rate of laying, which increases the possibility that another trait (such as good shells) might suffer--something a producer/breeder might put up with as long as most of the layers have his desired trait of heavy laying, and the eggs themselves are solid enough to be packaged (although possibly not as solid as what a non-commercial-breed shell typically would be).
Just going by horse breeding...
Rhonda
STOP CORPORATE ABUSE--BAN ALL GMOs!
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Posted by: CathrynTherese <cathryntherese@yahoo.com>
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