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Plasticity in response to feed availability: Does feeding regime influence the relative growth performance of domesticated, wild and hybrid Atlantic salmon Salmo salar parr? / Harvey, Alison; Solberg, M.F.; Glover, K.A. et al.
Yn: Journal of Fish Biology, Cyfrol 89, Rhif 3, 01.09.2016, t. 1754-1768.

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Harvey A, Solberg MF, Glover KA, Taylor MI, Creer S, Carvalho G. Plasticity in response to feed availability: Does feeding regime influence the relative growth performance of domesticated, wild and hybrid Atlantic salmon Salmo salar parr? Journal of Fish Biology. 2016 Medi 1;89(3):1754-1768. Epub 2016 Gor 27. doi: 10.1111/jfb.13076

Author

Harvey, Alison ; Solberg, M.F. ; Glover, K.A. et al. / Plasticity in response to feed availability: Does feeding regime influence the relative growth performance of domesticated, wild and hybrid Atlantic salmon Salmo salar parr?. Yn: Journal of Fish Biology. 2016 ; Cyfrol 89, Rhif 3. tt. 1754-1768.

RIS

TY - JOUR

T1 - Plasticity in response to feed availability: Does feeding regime influence the relative growth performance of domesticated, wild and hybrid Atlantic salmon Salmo salar parr?

AU - Harvey, Alison

AU - Solberg, M.F.

AU - Glover, K.A.

AU - Taylor, M.I.

AU - Creer, Simon

AU - Carvalho, Gary

N1 - Funded by the European Community's Seventh Framework Programme. Grant Number: FP7/2007-2013 AquaTrace. Grant Number: KBBE-311920 RCN project QuantEscap

PY - 2016/9/1

Y1 - 2016/9/1

N2 - Growth of farmed, wild and F1 hybrid Atlantic salmon parr Salmo salar was investigated under three contrasting feeding regimes in order to understand how varying levels of food availability affects relative growth. Treatments consisted of standard hatchery feeding (ad libitum), access to feed for 4 h every day, and access to feed for 24 h on three alternate days weekly. Mortality was low in all treatments, and food availability had no effect on survival of all groups. The offspring of farmed S. salar significantly outgrew the wild S. salar, while hybrids displayed intermediate growth. Furthermore, the relative growth differences between the farmed and wild S. salar did not change across feeding treatments, indicating a similar plasticity in response to feed availability. Although undertaken in a hatchery setting, these results suggest that food availability may not be the sole driver behind the observed reduced growth differences found between farmed and wild fishes under natural conditions.

AB - Growth of farmed, wild and F1 hybrid Atlantic salmon parr Salmo salar was investigated under three contrasting feeding regimes in order to understand how varying levels of food availability affects relative growth. Treatments consisted of standard hatchery feeding (ad libitum), access to feed for 4 h every day, and access to feed for 24 h on three alternate days weekly. Mortality was low in all treatments, and food availability had no effect on survival of all groups. The offspring of farmed S. salar significantly outgrew the wild S. salar, while hybrids displayed intermediate growth. Furthermore, the relative growth differences between the farmed and wild S. salar did not change across feeding treatments, indicating a similar plasticity in response to feed availability. Although undertaken in a hatchery setting, these results suggest that food availability may not be the sole driver behind the observed reduced growth differences found between farmed and wild fishes under natural conditions.

U2 - 10.1111/jfb.13076

DO - 10.1111/jfb.13076

M3 - Article

VL - 89

SP - 1754

EP - 1768

JO - Journal of Fish Biology

JF - Journal of Fish Biology

SN - 0022-1112

IS - 3

ER -