Fertility Problems In The Second Generation Of A Four-Species Tilapia Cross
Fertility Problems In The Second Generation Of A Four-Species Tilapia Cross
Date
2004
Authors
Hulata, Gideon
Cnaani, Avner
Slossman, Tatiana
Gall, Graham A.E.
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Israeli Journal of Aquaculture - BAMIGDEH
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Abstract
Reproductive problems were encountered in attempting to produce the second generation of a four-way cross of tilapia from interspecific F1 hybrids. The cross (Oreochromis mossambicus x O. aureus) x (Sarotherodon galilaeus x O. niloticus) successfully bred for one generation, how- ever, not even a single batch of progeny was obtained in the subsequent generation. It was con- cluded that the complex genetic structure of this cross caused the fertility problem. Any similar breeding programs that are based on multi-species crosses should take into consideration that reproductive problems may occur.
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fertility, multi-species hybrid, Oreochromis spp., Sarotherodon galilaeus, sterility, tilapia,
Fish culture--Israel--Periodicals.,
Fish culture--Periodicals.,
Aquaculture--Israel--Periodicals.,
Aquaculture--Periodicals.
Citation
Hulata, G., Cnaani, A., Slossman, T., & Gall, G.A.E. (2004). Fertility Problems In The Second Generation Of A Four-Species Tilapia Cross. The Israeli Journal of Aquaculture - Bamidgeh, 56(3), 159-165.
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7 pages
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