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Title: Fertility Problems In The Second Generation Of A Four-Species Tilapia Cross 
Author: Hulata, Gideon; Cnaani, Avner; Slossman, Tatiana; Gall, Graham A.E.
Date: 2004
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
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.
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.
Series/Report No.: The Israeli Journal of Aquaculture - Bamidgeh
Pages/Duration: 7 pages
ISSN: 0792-156X
Keywords: fertility, multi-species hybrid, Oreochromis spp., Sarotherodon galilaeus, sterility, tilapia
LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.

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