Effect of parental origin on early life history traits of European eel

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Establishment of European eel (Anguilla anguilla) hatchery production will rely on selectively bred individuals that produce progeny with the best traits in successive generations. As such, this study used a quantitative genetic breeding design, between four females and nine males (four wild‐caught and five cultured), to investigate the effect of paternal origin (wild‐caught vs. cultured) and quantify the relative importance of parental effects, including genetic compatibility, on early life history (ELH) performance traits (i.e. fertilization success, embryonic survival at 32 hr postfertilization, hatch success and larval deformities at 2 days post‐hatch) of European eel. Wild‐caught males had higher (56%) spermatocrit values than cultured males (45%), while fertilization success, embryonic survival, hatch success and larval deformities were not significantly impacted by paternal origin. This demonstrates that short‐term domestication of male eels does not negatively affect offspring quality and enables the consideration of cultured male broodstock in future breeding programmes.
Moreover, paternity significantly explained 9.5% of the variability in embryonic
survival, providing further evidence that paternal effects need to be taken
into consideration in assisted reproduction protocols. Furthermore, maternity significantly explained 54.8% of the variation for fertilization success, 61.7% for embryonic survival, 88.1% for hatching success and 62.8% for larval deformities, validating that maternity is a major factor influencing these “critical” ELH traits. At last, the parental interaction explained 12.8% of the variation for fertilization success, 8.3% for embryonic survival, 4.5% for hatch success and 20.5% for larval deformities. Thus, we conclude that eggs of one female can develop more successfully when crossed with a compatible male, highlighting the importance of mate choice for successful propagation of high‐quality offspring. Together, this knowledge will improve early offspring performance, leading to future breeding programmes for this critically endangered and economically important species
Original languageEnglish
JournalReproduction in Domestic Animals
Volume53
Issue number5
Pages (from-to)1149-1158
ISSN0936-6768
DOIs
Publication statusPublished - 2018

Cite this

@article{39dd7a73aa75436db08ac5bbb733915e,
title = "Effect of parental origin on early life history traits of European eel",
abstract = "Establishment of European eel (Anguilla anguilla) hatchery production will rely on selectively bred individuals that produce progeny with the best traits in successive generations. As such, this study used a quantitative genetic breeding design, between four females and nine males (four wild‐caught and five cultured), to investigate the effect of paternal origin (wild‐caught vs. cultured) and quantify the relative importance of parental effects, including genetic compatibility, on early life history (ELH) performance traits (i.e. fertilization success, embryonic survival at 32 hr postfertilization, hatch success and larval deformities at 2 days post‐hatch) of European eel. Wild‐caught males had higher (56{\%}) spermatocrit values than cultured males (45{\%}), while fertilization success, embryonic survival, hatch success and larval deformities were not significantly impacted by paternal origin. This demonstrates that short‐term domestication of male eels does not negatively affect offspring quality and enables the consideration of cultured male broodstock in future breeding programmes.Moreover, paternity significantly explained 9.5{\%} of the variability in embryonicsurvival, providing further evidence that paternal effects need to be takeninto consideration in assisted reproduction protocols. Furthermore, maternity significantly explained 54.8{\%} of the variation for fertilization success, 61.7{\%} for embryonic survival, 88.1{\%} for hatching success and 62.8{\%} for larval deformities, validating that maternity is a major factor influencing these “critical” ELH traits. At last, the parental interaction explained 12.8{\%} of the variation for fertilization success, 8.3{\%} for embryonic survival, 4.5{\%} for hatch success and 20.5{\%} for larval deformities. Thus, we conclude that eggs of one female can develop more successfully when crossed with a compatible male, highlighting the importance of mate choice for successful propagation of high‐quality offspring. Together, this knowledge will improve early offspring performance, leading to future breeding programmes for this critically endangered and economically important species",
author = "Elisa Benini and Politis, {Sebastian Nikitas} and Kottmann, {Johanna Sarah} and Butts, {Ian A. E.} and S{\o}rensen, {Sune Riis} and Jonna Tomkiewicz",
year = "2018",
doi = "10.1111/rda.13219",
language = "English",
volume = "53",
pages = "1149--1158",
journal = "Reproduction in Domestic Animals",
issn = "0936-6768",
publisher = "Wiley-Blackwell",
number = "5",

}

Effect of parental origin on early life history traits of European eel. / Benini, Elisa; Politis, Sebastian Nikitas; Kottmann, Johanna Sarah; Butts, Ian A. E.; Sørensen, Sune Riis; Tomkiewicz, Jonna.

In: Reproduction in Domestic Animals, Vol. 53, No. 5, 2018, p. 1149-1158.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Effect of parental origin on early life history traits of European eel

AU - Benini, Elisa

AU - Politis, Sebastian Nikitas

AU - Kottmann, Johanna Sarah

AU - Butts, Ian A. E.

AU - Sørensen, Sune Riis

AU - Tomkiewicz, Jonna

PY - 2018

Y1 - 2018

N2 - Establishment of European eel (Anguilla anguilla) hatchery production will rely on selectively bred individuals that produce progeny with the best traits in successive generations. As such, this study used a quantitative genetic breeding design, between four females and nine males (four wild‐caught and five cultured), to investigate the effect of paternal origin (wild‐caught vs. cultured) and quantify the relative importance of parental effects, including genetic compatibility, on early life history (ELH) performance traits (i.e. fertilization success, embryonic survival at 32 hr postfertilization, hatch success and larval deformities at 2 days post‐hatch) of European eel. Wild‐caught males had higher (56%) spermatocrit values than cultured males (45%), while fertilization success, embryonic survival, hatch success and larval deformities were not significantly impacted by paternal origin. This demonstrates that short‐term domestication of male eels does not negatively affect offspring quality and enables the consideration of cultured male broodstock in future breeding programmes.Moreover, paternity significantly explained 9.5% of the variability in embryonicsurvival, providing further evidence that paternal effects need to be takeninto consideration in assisted reproduction protocols. Furthermore, maternity significantly explained 54.8% of the variation for fertilization success, 61.7% for embryonic survival, 88.1% for hatching success and 62.8% for larval deformities, validating that maternity is a major factor influencing these “critical” ELH traits. At last, the parental interaction explained 12.8% of the variation for fertilization success, 8.3% for embryonic survival, 4.5% for hatch success and 20.5% for larval deformities. Thus, we conclude that eggs of one female can develop more successfully when crossed with a compatible male, highlighting the importance of mate choice for successful propagation of high‐quality offspring. Together, this knowledge will improve early offspring performance, leading to future breeding programmes for this critically endangered and economically important species

AB - Establishment of European eel (Anguilla anguilla) hatchery production will rely on selectively bred individuals that produce progeny with the best traits in successive generations. As such, this study used a quantitative genetic breeding design, between four females and nine males (four wild‐caught and five cultured), to investigate the effect of paternal origin (wild‐caught vs. cultured) and quantify the relative importance of parental effects, including genetic compatibility, on early life history (ELH) performance traits (i.e. fertilization success, embryonic survival at 32 hr postfertilization, hatch success and larval deformities at 2 days post‐hatch) of European eel. Wild‐caught males had higher (56%) spermatocrit values than cultured males (45%), while fertilization success, embryonic survival, hatch success and larval deformities were not significantly impacted by paternal origin. This demonstrates that short‐term domestication of male eels does not negatively affect offspring quality and enables the consideration of cultured male broodstock in future breeding programmes.Moreover, paternity significantly explained 9.5% of the variability in embryonicsurvival, providing further evidence that paternal effects need to be takeninto consideration in assisted reproduction protocols. Furthermore, maternity significantly explained 54.8% of the variation for fertilization success, 61.7% for embryonic survival, 88.1% for hatching success and 62.8% for larval deformities, validating that maternity is a major factor influencing these “critical” ELH traits. At last, the parental interaction explained 12.8% of the variation for fertilization success, 8.3% for embryonic survival, 4.5% for hatch success and 20.5% for larval deformities. Thus, we conclude that eggs of one female can develop more successfully when crossed with a compatible male, highlighting the importance of mate choice for successful propagation of high‐quality offspring. Together, this knowledge will improve early offspring performance, leading to future breeding programmes for this critically endangered and economically important species

U2 - 10.1111/rda.13219

DO - 10.1111/rda.13219

M3 - Journal article

VL - 53

SP - 1149

EP - 1158

JO - Reproduction in Domestic Animals

JF - Reproduction in Domestic Animals

SN - 0936-6768

IS - 5

ER -