2020
DOI: 10.1111/jfb.14338
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Triploid Atlantic salmon Salmo salar have a higher dietary phosphorus requirement for bone mineralization during early development

Abstract: The effect of a dietary phosphorus regime in freshwater on vertebra bone mineralization was assessed in diploid and triploid Atlantic salmon, Salmo salar. Fish were fed either a low phosphorus (LP) diet containing 10.5 g kg −1 total phosphorus or a normal phosphorus (NP) diet containing 17.4 g kg −1 total phosphorus from 3 to 65 g (day 126) in body weight. Two further groups were fed the NP diet from 3 g in body weight, but were then switched to the LP diet after 38 (10 g in body weight) or 77 (30 g in body we… Show more

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Cited by 21 publications
(14 citation statements)
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References 48 publications
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“…Due to the incubation temperature differences and subsequent impact on developmental speed, the number of feeding days (d) from first feeding until the end of the trial differed between treatments (6, 364 d; 8, 386 d; 11, 395 d). Diploids were fed a standard commercial diet (BioMar INICIO Plus, 4.9 g/kg available P) and triploids were fed a triploid‐specific diet (BioMar INICIO Tri‐X, 7.7 g/kg available P), with the only difference in the formulation being P supplementation in Tri‐X, and thus in accordance with previously published triploid‐specific P requirements (Fjelldal et al., 2015; Sambraus et al., 2020; Smedley et al., 2018) and the manufacturer's guidelines (BioMar, UK).…”
Section: Methodsmentioning
confidence: 81%
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“…Due to the incubation temperature differences and subsequent impact on developmental speed, the number of feeding days (d) from first feeding until the end of the trial differed between treatments (6, 364 d; 8, 386 d; 11, 395 d). Diploids were fed a standard commercial diet (BioMar INICIO Plus, 4.9 g/kg available P) and triploids were fed a triploid‐specific diet (BioMar INICIO Tri‐X, 7.7 g/kg available P), with the only difference in the formulation being P supplementation in Tri‐X, and thus in accordance with previously published triploid‐specific P requirements (Fjelldal et al., 2015; Sambraus et al., 2020; Smedley et al., 2018) and the manufacturer's guidelines (BioMar, UK).…”
Section: Methodsmentioning
confidence: 81%
“…In recent years, both vertebral and jaw deformity results in triploid trials have sparked investigation into nutritional requirements and triploid‐specific diets have been trialled with supplementation of minerals, in particular P (Burke et al., 2010; Fjelldal et al., 2015; Sambraus et al., 2020; Smedley et al., 2016, 2018; Taylor et al., 2015). In the present trial, all triploids were fed a high P diet, in accordance with previously published triploid‐specific P requirements (Fjelldal et al., 2015; Sambraus et al., 2020; Smedley et al., 2018). However, LJD was still observed in the higher temperature treatments, suggesting that lower incubation temperature during embryogenesis had a greater effect on favourable jawbone development than diet.…”
Section: Discussionmentioning
confidence: 99%
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“…Information about the nutritional requirements of triploids is incomplete, but it is known that supplementation of feeds with histidine and phosphorus may reduce the incidence and severity of eye cataracts and skeletal anomalies, respectively [15][16][17][18]. In particular, triploid salmon require more dietary phosphorus than diploids during early development to achieve comparable bone mineralization [19]. Also, there are indications that triploid salmon parr may have different micronutrient requirements and metabolic responses to dietary supplementation than their diploid counterparts when fed low levels of marine ingredients [20,21].…”
Section: Introductionmentioning
confidence: 99%