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OBSERVATIONS on the seasonal distribution of egg production in turkeys have been reported by Mussehl (1933), Scott (1937), Charles and co-workers (1938) and Margolf (1940). Scott and Charles also reported data on seasonal variation of egg weights. Marble and Margolf (1936) showed that the fertility and hatchablity of turkey eggs decreased from March to July. Recent studies by Dearstyne, Bostian and Nesbit (1945) also showed that hatchability declined rapidly in the late spring. An opportunity to contribute further data on the influence of season on egg production, egg weight, fertility and hatchability was made possible by some investigations at this station during the 1945 and 1946 seasons with Broad Breasted Bronze turkey breeding stock. The studies were made with two pens of eleven hens and one tom each during both years and two additional pens of eight hens each in 1945. The hens in the 11-hen pens mated naturally with . . .
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J.E. Parker (1947) studied this question.
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