Digestibility, growth and nutrient utilisation of Atlantic salmon parr (Salmo salar L.) in relation to temperature, feed fat content and oil source

Bendiksen, Eldar Åsgard; Berg, Ole Kristian; Jobling, Malcolm; Arnesen, Arne M.; Måsøval, K.

doi:10.1016/s0044-8486(03)00218-7

Cited by 128 publications

(114 citation statements)

References 47 publications

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“…The high apparent lipid digestibility values fell within the range of other studies in which practical diets were used [32][33][34], supporting the statement by Olsen and Ringө [35], that lipids are generally well digested by fish. The significant differences between the dietary treatments with regards to apparent lipid digestibility were similar to those reported for muray cod [36] when fish oil was substituted incrementally by a vegetable oil.…”

Section: Discussionsupporting

confidence: 86%

Differential Effects of Dietary Lipids on Growth Performance, Digestibility, Fatty Acid Composition and Histology of African Catfish (Heterobranchus longifilis) Fingerlings

Babalola¹,

Apata²,

Omotosho³

et al. 2011

FNS

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Section: Discussionsupporting

confidence: 86%

Differential Effects of Dietary Lipids on Growth Performance, Digestibility, Fatty Acid Composition and Histology of African Catfish (Heterobranchus longifilis) Fingerlings

Babalola¹,

Apata²,

Omotosho³

et al. 2011

FNS

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“…In addition, FCR was lower in fish fed the F1 diet compared to all other dietary treatments. These results are in contrast to previous studies which showed no significant impact of lower dietary DHA on growth rates and/or final fish weights (Gomes et al, 1995, Guillou et al, 1995Kaushik et al, 1995;Pettersson et al, 2009) and no significant differences in FCR of farmed fish (Azevedo et al, 2004;Bendiksen et al, 2003;Karalazos et al, 2011). Many studies examining the effect of fatty acid content on final weights and weight gain were performed over relatively short time scales .…”

Section: Discussioncontrasting

confidence: 99%

Docosahexaenoic acid in Arctic charr (Salvelinus alpinus): The importance of dietary supply and physiological response during the entire growth period

Murray

Hager

Tocher

et al. 2015

Comparative Biochemistry and Physiology Part B: Biochemistry an

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The aim of this 14-month feeding study was to investigate the effects of dietary docosahexaenoic acid (DHA) on tissue fatty acid composition, DHA retention and DHA content per biomass accrual in muscle tissues of Arctic charr (Salvelinus alpinus). A control feed, formulated with a relatively high DHA inclusion level (F1), was compared with feeds containing gradually reduced amounts of DHA (Feeds F2, F3, and F4). Arctic charr were randomly distributed among 12 tanks and fed one of the feeds in triplicate. The DHA content within muscle tissues of fish fed diets F1 and F2 was generally higher compared to fish fed diets F3 and F4. However, there was an interaction between dietary DHA treatment and season, which resulted in fish muscle tissues having similar DHA contents irrespective of dietary supply during specific sampling periods. Although diets F3and F4 contained ~4-fold less DHA compared to diets F1 and F2, retention of DHA in dorsal and ventral muscle tissue was up to 5-fold higher relative to the diet content in fish fed diets F3 and F4. However, the difference among treatments was dependent on the month sampled. In addition, younger fish retained DHA more efficiently compared to older fish. DHA (µg DHA/g/day) accrual in muscle tissue was independent of somatic growth, and there was no difference among treatments. The results suggested that dietary DHA may be essential throughout the lifecycle of Arctic charr and that the DHA content of muscle tissues was influenced by diet and metabolic/physiological factors, such as specific DHA retention during the entire growth cycle . Finally, this long-term feeding study in Arctic charr indicated a non-linear function in DHA retention in dorsal and ventral muscle tissues throughout the lifecycle, which varied in its relationship to dietary DHA.

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“…Reports about effects of many factors, such as temperature (Olsen and Ringoe, 1998;Usmani and Jafri, 2002;Bendiksen et al, 2003;Ng et al, 2004), salinity (Storebakken and Austreng, 1987;Cabanillas-Beltrán et al, 2001), ration size (Henken et al, 1985;Fernández et al, 1998;Windell, 1978), feeding frequency (Hudon and de La Noue, 1984), and feed composition (Giri et al, 2000;Patra, 2001;Fagbenro and Davies, 2001;Mundheim et al, 2004;Hevroy et al, 2005) on digestibility in aquatic animals such as fish, shrimp, crab and abalone have been studied extensively, but few studies were focused on soft-shelled turtles.…”

Section: Introductionmentioning

confidence: 99%

Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis

Lei

2006

J. Zhejiang Univ. - Sci. B

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Abstract:The effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis, were investigated. Four ration levels 1.5%, 2.5%, 4.0% and satiation (6.0% BW/d) were used. Apparent digestibility (AD) of dry matter (DMAD), protein (PAD) and protein real digestibility (PRD) were significantly affected by ration level, but not by feeding frequency when the ration level was similar. However, the feeding frequency affected the AD, DMAD, PAD and PRD significantly when the turtles were fed to satiation. The relationship between fecal protein content (Y) and protein intake (X) can be expressed as a quadric equation: Y=−0.1742+0.1476X−0.0003X 2 (r 2 =0.876, n=27, F=93.92, P<0.01).

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Digestibility, growth and nutrient utilisation of Atlantic salmon parr (Salmo salar L.) in relation to temperature, feed fat content and oil source

Cited by 128 publications

References 47 publications

Differential Effects of Dietary Lipids on Growth Performance, Digestibility, Fatty Acid Composition and Histology of African Catfish (Heterobranchus longifilis) Fingerlings

Differential Effects of Dietary Lipids on Growth Performance, Digestibility, Fatty Acid Composition and Histology of African Catfish (Heterobranchus longifilis) Fingerlings

Docosahexaenoic acid in Arctic charr (Salvelinus alpinus): The importance of dietary supply and physiological response during the entire growth period

Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis

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