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Eggs from young turkey breeder hens have a higher rate of early embryonic mortality (EEM) than eggs from older hens. Preliminary field data indicated that increased sperm concentration decreased the incidence of EEM in eggs from young hens. Possible explanations for decreased EEM following ...

Fairchild, B. D.; Christensen, V. L.
Poultry Science Association, Savoy, USA
Journal of Applied Poultry Research, 2005, 14, 3, pp 576-581