Parental forms and broilers selected by the Center for Genetics & Selection “Smena”
https://doi.org/10.32634/0869-8155-2020-337-4-16-19
Abstract
Relevance. The systemic search for the new genetic combinations for the use as parental forms or final hybrids allows for the faster and more cost-effective advancement of the existing poultry crosses and/or development of new ones.
Methods. The productive performance in newly developed parental forms (paternal X12, autosexing maternal X34) of broiler breeders and final hybrids (X1234) was assessed on-farm during 2016-2020 in the Center for Genetics & Selection “Smena”.
Results. The selection of preparental broiler chicken lines X1 and X2 (Cornish breed) resulted in the improvements in egg fertility percentage and hatch of chicks by 3.6%; live bodyweight at 28 days of age in their hybrid (paternal form X12) was increased by 3.1%. The targeted selection of autosexing maternal form X34 (Plymouth Rock breed) for reproductive performance resulted in the improvements in egg production by 1.3%, the percentage of eggs suitable for incubation by 0.4%, number of chicks per hen housed by 2.1%. The accuracy of sexing with the use of marker genes K-k is 99.5%. The European production efficiency index (EPEF) in the final hybrid broilers X1234 was improved by 11.5%. The conclusion was made that the newly developed parental forms and final hybrid broilers have high genetic productivity potential and could be effectively used in the commercial broiler production.
About the Authors
Zh. V. Emanuylova
Center for Genetics & Selection “Smena”
Russian Federation
Russian Federation
Candidate of Agriculture Science, Chief Zootechnician & Stock Breeder
A. A. Komarov
Center for Genetics & Selection “Smena”
Russian Federation
Director ad interim
Russian Federation
Director ad interim
A. V. Egorova
Federal Scientific Center “All-Russian Research and Technological Institute of Poultry” of Russian Academy of Sciences
Russian Federation
Doctor of Agriculture Science, Chief Research Officer, Head of Laboratory
Russian Federation
Doctor of Agriculture Science, Chief Research Officer, Head of Laboratory
D. N. Efimov
Federal Scientific Center “All-Russian Research and Technological Institute of Poultry” of Russian Academy of Sciences
Russian Federation
Candidate of Agriculture Science, Director ad interim
Russian Federation
Candidate of Agriculture Science, Director ad interim
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Review
For citations:
Emanuylova Zh.V., Komarov A.A., Egorova A.V., Efimov D.N. Parental forms and broilers selected by the Center for Genetics & Selection “Smena”. Agrarian science. 2020;(4):16-19. (In Russ.) https://doi.org/10.32634/0869-8155-2020-337-4-16-19
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