Early Experience and Sexual Behavior in the Domestic Chicken

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Science  20 Apr 1962:
Vol. 136, Issue 3512, pp. 259-260
DOI: 10.1126/science.136.3512.259


Newly hatched chickens were imprinted to one of two moving objects. From the fifth day of life on, the chickens were injected with male sex hormone. When later presented with a choice between the two objects, they addressed induced sexual responses to the object to which they were imprinted.