curtisbirds, I agree with everything you said - except mixing oyster shell with layer pellets. Layer is already 4% calcium. deemed about right for actively laying birds.
Oyster shell is about 98% calcium. If you mix the two, the hens don't get to choose whether to eat it and can be overwhelmed.
Providing oyster shell is a good idea for its large particle and quality. However, it needs to be in a separate container from the feed.
http://www.poultryindustrycouncil.ca/pdfs/factsheets/fs_133.pdf
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000200006
Oyster shell is about 98% calcium. If you mix the two, the hens don't get to choose whether to eat it and can be overwhelmed.
Providing oyster shell is a good idea for its large particle and quality. However, it needs to be in a separate container from the feed.
http://www.poultryindustrycouncil.ca/pdfs/factsheets/fs_133.pdf
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000200006
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