Abstract

SEMEN production of turkey males is extremely important since most modern turkey hens are artificially inseminated. It has been well established that semen production of turkey males is influenced by several environmental factors.Significant seasonal changes in semen production of naturally lighted Bronze turkeys were observed by Carson et al. (1955a, c). The average semen yield increased from maturity in October and November to a maximum in March and May with a decline in volume in June and July. In artificially lighted toms, seasonal changes in semen production and quality were noted by Law and Kosin (1958), Payne et al. (1960) and Harper and Ascott (1969). These seasonal changes may be the result of variation in temperature, lighting, age of birds and other environmental factors.There has been limited research on lighting and semen production of turkey males. Marsden et al. (1962) noted that fertility and hatchability of eggs laid…

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