2001
DOI: 10.1038/35057314
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Growth of domesticated transgenic fish

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Cited by 206 publications
(127 citation statements)
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“…Artificial selection for maximum growth rates in salmonid fishes (trout and salmon) has demonstrated that domestic salmonids have a much greater capacity for growth than wild strains (Gross 1998;Devlin et al 2001) owing to higher levels of growth-hormone, which stimulates appetite ( Johnsson et al 1996;Fleming et al 2002). Given that such elevated growth rates are physiologically possible, then why are they not observed in nature when so many fitness traits are positively correlated with body size?…”
Section: Introductionmentioning
confidence: 99%
“…Artificial selection for maximum growth rates in salmonid fishes (trout and salmon) has demonstrated that domestic salmonids have a much greater capacity for growth than wild strains (Gross 1998;Devlin et al 2001) owing to higher levels of growth-hormone, which stimulates appetite ( Johnsson et al 1996;Fleming et al 2002). Given that such elevated growth rates are physiologically possible, then why are they not observed in nature when so many fitness traits are positively correlated with body size?…”
Section: Introductionmentioning
confidence: 99%
“…Lande & Arnold 1983) and maternal effects (Einum et al 2002) by producing half-sib groups fertilized by GH-transgenic and wild-type males originating from the same stock. Any difference in performance between the transgenic and wild half-sib groups would be a result of a single gene insertion that enhances growth by overexpressing GH (Devlin et al 2001). We then compared the performance of the two types of crosses under hypoxic conditions to test the hypothesis that low oxygen levels may constrain the evolution of growth rates.…”
Section: Introductionmentioning
confidence: 99%
“…The first transgenic fish were produced in the 1980s (Maclean and Talwar, 1984;Zhu et al, 1985), and since then modified fish have been produced with genetically desirable traits such as rapid growth, high feed conversion, disease resistance and cold tolerance (Zhang et al, 1990;Wang et al, 1995;Devlin et al, 2001;Rahman et al, 2001;Nam et al, 2001Nam et al, , 2002Zhong et al, 2002;Jhingan et al, 2003;Mao et al, 2004), all of which would prove beneficial commercially. However, these transgenic fish have not been implemented because if they were released into natural ecosystems, interbreeding could occur resulting in competition with native fish.…”
Section: Introductionmentioning
confidence: 99%