Fertility of triploid hybrids of Prussian carp (Carassius gibelio) with common carp (Cyprinus carpio L.)

Balashov, D. A.; Recoubratsky, A.V.; Duma, L. N.; Ivanekha, E. V.; Duma, V. V.

doi:10.1134/s1062360417050034

Cited by 3 publications

(6 citation statements)

References 12 publications

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“…As mentioned, the triploid koi × goldfish hybrid females investigated in the present study produced both aneuploid and triploid eggs that resulted in the appearance of aneuploid and tetraploid fish in progenies obtained from these females. These data are similar to results of studies by Zhang et al, (1992), Cherfas et al, (1994) and Balashov et al, (2017).…”

Section: Discussionsupporting

confidence: 93%

“…Triploid males did not release sperm after hormonal injection, and their testes did not contain sperm. These data agree with other studies conducted to assess the reproductive ability of triploid males resulting from hybridization of common carp with crucian carps (Balashov et al, 2017;Cherfas et al, 1994;Wu et al, 2003;Zhang et al, 1992).…”

Section: Femalesupporting

confidence: 92%

“…to 24 months of age is usually observed when fish are raised in indoor recirculating systems; and survival of fish during wintering in ponds is typically higher than 90%. The low viability of aneuploid fish was described in many previous studies (Balashov et al, 2017;Cherfas et al, 1994;Gomelsky et al, 2015Gomelsky et al, , 2016Gomelsky et al, , 2019Li et al, 2016;Zhang et al, 1992).…”

Section: Femalementioning

confidence: 72%

“…This indicated that triploid hybrid females produced both aneuploid and triploid eggs (Zhang et al, 1992). Cherfas et al (1994) and Balashov, Recoubratsky, Duma, Ivanekha, & Duma (2017) reported that triploid hybrid females between Prussian crucian carp Carassius gibelio (Bloch) and common carp produced mostly aneuploid eggs while some eggs were triploid; aneuploid and tetraploid fish were recorded in progenies obtained from crosses of triploid females with common carp males. Balashov, Recoubratsky, Duma, Ivanekha, and Duma (2017) suggested that ability to produce unreduced triploid eggs by triploid hybrid females opens possibility for appearance of tetraploid fish in natural conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Cherfas et al (1994) and Balashov, Recoubratsky, Duma, Ivanekha, & Duma (2017) reported that triploid hybrid females between Prussian crucian carp Carassius gibelio (Bloch) and common carp produced mostly aneuploid eggs while some eggs were triploid; aneuploid and tetraploid fish were recorded in progenies obtained from crosses of triploid females with common carp males. Balashov, Recoubratsky, Duma, Ivanekha, and Duma (2017) suggested that ability to produce unreduced triploid eggs by triploid hybrid females opens possibility for appearance of tetraploid fish in natural conditions. Earlier, Knytl, Kalous, Symonová, Rylková, and Ráb (2013) have reported finding of a natural tetraploid hybrid between triploid Prussian crucian carp female and crucian carp Carassius carassius L. male.…”

Section: Discussionmentioning

confidence: 99%

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Reproductive ability of triploid ornamental (koi) carp ( Cyprinus carpio L.) × goldfish ( Carassius auratus L.) hybrids and characteristics of their offspring

et al. 2020

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The purpose of this study was to investigate reproductive ability of backcross triploid koi (Cyprinus carpio L.) × goldfish (Carassius auratus L.) hybrids. These triploids have been obtained by crossing of F 1 hybrid females producing diploid eggs with males of parental species. Triploid hybrid females, when crossed with goldfish or koi males, produced mostly aneuploid fish with ploidy range from approximately 2.2n-3.2n with a mean value 2.5n; some fish in crosses of triploid females with koi males were tetraploid (4.0n). Since analysed fish had in their genomes one haploid set from parental males, the data indicate that triploid hybrid females mostly produced aneuploid eggs with ploidy range from approximately 1.2n-2.2n and a mean ploidy around 1.5n while some eggs were triploid. Triploid hybrid males were completely sterile and have not released any sperm after hormonal injection. Despite their low viability, some aneuploid fish obtained from triploid hybrid females were raised in indoor recirculating systems until the age of 2 years and their reproductive ability has been evaluated. One aneuploid female with ploidy 2.1n produced larvae with ploidy range from 2.9n to 3.4n with a mean ploidy of 3.1n when crossed with a koi male; about 60% of obtained larvae had ploidy from 3.0n to 3.2n. These data indicate that this female produced mostly eggs with unreduced ploidy level. K E Y W O R D S common carp, goldfish, hybrids, koi, ploidy, reproductive ability How to cite this article: Kramer AG, Gomelsky B, Warner JL, Novelo ND, Thomas BL. Reproductive ability of triploid ornamental (koi) carp (Cyprinus carpio L.) × goldfish (Carassius auratus L.) hybrids and characteristics of their offspring. Aquac

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Section: Discussionsupporting

confidence: 93%