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A performance test with five different strains of tench ( Tinca tinca L.) under controlled warm water conditions

2003; Wiley; Volume: 19; Issue: 3 Linguagem: Inglês

10.1046/j.1439-0426.2003.00464.x

1439-0426

B. Rennert, Klaus Kohlmann, Hans-Peter Hack,

Fish Biology and Ecology Studies

Journal of Applied IchthyologyVolume 19, Issue 3 p. 161-164 A performance test with five different strains of tench (Tinca tinca L.) under controlled warm water conditions B. Rennert, B. Rennert Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this authorK. Kohlmann, K. Kohlmann Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this authorH. Hack, H. Hack Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this author B. Rennert, B. Rennert Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this authorK. Kohlmann, K. Kohlmann Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this authorH. Hack, H. Hack Institute of Freshwater Ecology and Inland Fisheries, Berlin, GermanySearch for more papers by this author First published: 16 June 2003 https://doi.org/10.1046/j.1439-0426.2003.00464.xCitations: 33 Author's address: Bernhard Rennert, Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, P.O. Box 850119, D-12561 Berlin, Germany. E-mail: [email protected] Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Summary Growth performance tests were carried out with a total of five different strains of tench (Tinca tinca L.) originating from the Czech Republic (4) and Germany (1). Tench larvae and juveniles were reared in closed recirculating systems for 446 to 452 days, respectively. At the end of each test, the tench strains showed differences in performance, e.g. specific growth rates (SGR) from 2.13 to 2.52, feed conversion ratios (FCR) from 1.75 to 3.65 kg feed per kg weight gain, and survival rates from 64.4 to 81.0%. Thus, appropriate strain selection appears to have the potential to remarkably increase productivity of the species. The highest SGR was observed in the Vodnany 96 strain in the first trial and the best FCR in the Tabor strain in the second trial. However, the rearing conditions in the recirculating systems were not optimal for tench; many fish with deformed bones (head, fins, spine) were observed in all strains, particularly in the faster-growing strains. References Flajšhans, M.; Kohlmann; K., Šlechta, V.; Šlechtova, V., 1998: Genetic aspects of breeding and gene resources conservation of tench, Tinca tinca (L.). Pol. Arch. Hydrobiol. 45, 289–301. Füllner, G., 1996: Aufzucht von Speiseschleien in Teichen. Fischer & Teichwirt 47, 402–404. Füllner, G., Pfeifer; M., 1994a: Möglichkeiten zur Verbesserung der Ergebnisse bei der Aufzucht von Schleien (Tinca tinca L.) in Teichen. Teil 1: Einsömmerige Satzschleien. Fischer & Teichwirt 45, 134–138. Füllner, G.; Pfeifer, M., 1994b: Möglichkeiten zur Verbesserung der Ergebnisse bei der Aufzucht von Schleien (Tinca tinca L.) in Teichen. Teil 2: Zweisömmerige Satzschleien. Fischer & Teichwirt 45, 261–264. Füllner, G.; Pfeifer, M., 1998: Aufzucht von Wels und Schleie in Karpfenteichen. 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Wolnicki, J.; Myszkowski, L., 1998b: Quality evaluation of larval and juvenile tench Tinca tinca (L.) fed live or dry diet by means of a stress test. Pol. Arch. Hydrobiol. 45, 459–464. Citing Literature Volume19, Issue3June 2003Pages 161-164 ReferencesRelatedInformation