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&NA; During the course of a QTL study involving an intercross between White Plymouth Rock chickens and Red Jungle Fowl, certain reproductive anomalies such as atresia and double ovary‐oviduct became… Click to show full abstract
&NA; During the course of a QTL study involving an intercross between White Plymouth Rock chickens and Red Jungle Fowl, certain reproductive anomalies such as atresia and double ovary‐oviduct became evident. Observed in reciprocal pedigreed F1 crosses were 2 full‐sib pullets with dual functioning ovaries. One also had complete functioning left and right oviducts. The other had asymmetrical reproductive tracts with a typical left oviduct and a rudimentary right oviduct. In addition, there were 3 females with atresia. Although they had different sires and dams, their grandparents were related, and all 5 traced to a common ancestor. Pedigrees, photos, and biological aspects of these conditions are presented and discussed.
Journal Title: Poultry Science
Year Published: 2017
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