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Biochemical evidence of hybrid gene introgression in some reservoir populations of tilapia in southern Sri Lanka

Biochemical evidence of hybrid gene introgression in some reservoir populations of tilapia in... Abstract. Two species of tilapia, Oreochromis mossambicus (Peters) and O. niloticus (L.), from five reservoirs in southern Sri Lanka as well as fish from a fish hatchery and laboratory stock were studied by starch gel electrophoresis at 18 enzyme loci, to determine the degree of mixing of the two species. Two reservoirs showed little or no mixing between O. mossambicus and O. niloticus, while two other reservoirs as well as the hatchery stock showed a high degree of mixing of the two species. The laboratory stock of O. niloticus also showed introgression of O. mossambicus alleles. The similarities of the local stocks to the original African as well as other Asian stocks is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquaculture Research Wiley

Biochemical evidence of hybrid gene introgression in some reservoir populations of tilapia in southern Sri Lanka

Aquaculture Research , Volume 20 (3) – Jul 1, 1989

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References (19)

Publisher
Wiley
Copyright
Copyright © 1989 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1355-557X
eISSN
1365-2109
DOI
10.1111/j.1365-2109.1989.tb00352.x
Publisher site
See Article on Publisher Site

Abstract

Abstract. Two species of tilapia, Oreochromis mossambicus (Peters) and O. niloticus (L.), from five reservoirs in southern Sri Lanka as well as fish from a fish hatchery and laboratory stock were studied by starch gel electrophoresis at 18 enzyme loci, to determine the degree of mixing of the two species. Two reservoirs showed little or no mixing between O. mossambicus and O. niloticus, while two other reservoirs as well as the hatchery stock showed a high degree of mixing of the two species. The laboratory stock of O. niloticus also showed introgression of O. mossambicus alleles. The similarities of the local stocks to the original African as well as other Asian stocks is discussed.

Journal

Aquaculture ResearchWiley

Published: Jul 1, 1989

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