Comparison of performance of genome manipulated and standard tench, Tinca tinca (L.), groups under pond management conditions

Comparison of performance of genome manipulated and standard tench, Tinca tinca (L.), groups... A triennial performance test of five groups of tench, Tinca tinca (L.): Vodnany induced triploid V3n, Vodnany meiotic gynogenic Vgyn, diploid Vodnany V2n, Hungarian H2n and German G2n) in pond monoculture was carried out with diploid golden tench as control (C) to compute corrected weight of the groups tested. Survival rate ranged from 11.6% (V2n) to 30.6% (Vgyn) in yearlings, from 71.2% (V2n) to 91.5% (H2n) in 2 year-olds, from 60.0% (Vgyn) to 75.7% (V2n) in 3 year-olds while that of the control group was 8.5, 38.3 and 40.2% in the respective seasons. After three growing seasons the corrected weight of the fish in the groups H2n (254.6bg), V3n (257.0cg) and G2n (371.4cg) was higher (P < 0.05, Tukey HSD test) than that from the C (183.3ag) and V2n(205.6abg) groups. Among the chromosomally manipulated groups, ANCOVA test found the least slaughtering value for Vgyn (84.3%); among the purebreds the highest value was found for H2n (87.32%), significantly differing from V2n and G2n strains. A high gonadosomatic index in females (2.94 vs. 0.44% in males) resulted in inferior slaughtering values. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

Comparison of performance of genome manipulated and standard tench, Tinca tinca (L.), groups under pond management conditions

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Publisher
Springer Netherlands
Copyright
Copyright © 2009 by Springer Science+Business Media B.V.
Subject
Life Sciences; Zoology ; Freshwater & Marine Ecology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-009-9142-1
Publisher site
See Article on Publisher Site

Abstract

A triennial performance test of five groups of tench, Tinca tinca (L.): Vodnany induced triploid V3n, Vodnany meiotic gynogenic Vgyn, diploid Vodnany V2n, Hungarian H2n and German G2n) in pond monoculture was carried out with diploid golden tench as control (C) to compute corrected weight of the groups tested. Survival rate ranged from 11.6% (V2n) to 30.6% (Vgyn) in yearlings, from 71.2% (V2n) to 91.5% (H2n) in 2 year-olds, from 60.0% (Vgyn) to 75.7% (V2n) in 3 year-olds while that of the control group was 8.5, 38.3 and 40.2% in the respective seasons. After three growing seasons the corrected weight of the fish in the groups H2n (254.6bg), V3n (257.0cg) and G2n (371.4cg) was higher (P < 0.05, Tukey HSD test) than that from the C (183.3ag) and V2n(205.6abg) groups. Among the chromosomally manipulated groups, ANCOVA test found the least slaughtering value for Vgyn (84.3%); among the purebreds the highest value was found for H2n (87.32%), significantly differing from V2n and G2n strains. A high gonadosomatic index in females (2.94 vs. 0.44% in males) resulted in inferior slaughtering values.

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Nov 15, 2009

References

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