Abstract
A RELATIONSHIP between position in the peck order and egg production in the hen was first reported by Sanctuary1 (quoted by Guhl2), who found that the birds in the upper half of the peck order laid more eggs than those composing the lower social level. This observation was confirmed by Guhl2, who obtained a correlation of 0.26 (P, 0.01) between the number of birds pecked in the peck order and the number of eggs laid by 96 White Rock pullets.
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References
Sanctuary, W. C., unpublished thesis, Mass. State Coll. (1932).
Guhl, A. M., Kansas Agric. Exp. Sta. Tech. Bull. 73 (1953).
McBride, G., Brit. J. Anim. Behav. (in the press).
Collias, N. E., Amer. Nat., 77, 519 (1943).
Guhl, A. M., and Allee, W. C., J. Physiol. Zool., 17, 320 (1944).
Blyth, J. S. S., Poultry Sci., 31, 254 (1952).
Lillie, R. J., and Sizemore, J. R., Poultry Sci., 33, 427 (1954).
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McBRIDE, G. Relationship between Aggressiveness and Egg Production in the Domestic Hen. Nature 181, 858 (1958). https://doi.org/10.1038/181858a0
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DOI: https://doi.org/10.1038/181858a0
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