The Influence of Divergent Growth Selection on Semen Traits, Fertility and Hatchability
نویسندگان
چکیده
منابع مشابه
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15 صفحه اولSelection for Fertility Traits
Introduction Fertility is a very complex trait, difficult to define, to record and to evaluate all the factors that influence fertility. Fertility is strongly influenced by environmental effects and in part by genetics, the male for fertilization and the female for conception. In general, the fertility trait is hereditary but only to a small degree. There does however exist sufficient genetic v...
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Effect of selection for fertility of frozen-thawed semen in chickens on the fertility of fresh and stored semen.
Studies were conducted using 68 males from the seventh generation of a line of meat-type breeder chickens selected for increased duration of fertility of frozen-thawed semen and 69 males of the randomly selected control line. These chickens were used to determine the presence or absence of differences between the selected and control lines with respect to fertility and spermatozoal motility whe...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1976
ISSN: 0032-5791
DOI: 10.3382/ps.0550457