caa a22 4500 606229671 CHVBK 20210128101210.0 cr unu---uuuuu 210128e20150201xx s 000 0 eng 10.1007/s10695-014-0020-y doi (NATIONALLICENCE)springer-10.1007/s10695-014-0020-y Comparison of endogenous loss and maintenance need for minerals in rainbow trout ( Oncorhynchus mykiss ) fed fishmeal or plant ingredient-based diets [Elektronische Daten] [P. Antony Jesu Prabhu, S. Kaushik, C. Mariojouls, A. Surget, S. Fontagné-Dicharry, J. Schrama, I. Geurden] Mineral needs as affected by changes in dietary protein and oil sources were studied in rainbow trout. Duplicate groups (n=30 fish per replicate) of rainbow trout (initial BW: 37g) were fed either a fish meal/fish oil-based (M) or a complete plant ingredient (V)-based diet at four graded ration (R) levels [apparent satiation (AS), R75, R50 and R25% of AS]; one treatment group was maintained under starvation. The feeding trial lasted 12weeks at a water temperature of 17°C. Dietary intake, apparent digestibility and initial and final whole-body composition data were used to calculate mineral gain which was regressed against digestible mineral intake (both expressed as mg or µgkg−0.8 day−1). Starvation loss (SL), endogenous loss of fed fish (ELF, y-intercept at x=0) and point of intake for zero balance (PZB, x-intercept at y=0) were used as estimates of maintenance requirements. SL provided the lowest estimate, ELF provided the net requirement of a mineral for maintenance and PZB provided the digestible dietary intake required to meet maintenance (SL<ELF<PZB). Dietary ingredient composition did not significantly affect the digestible mineral supply required for maintenance (PZB) for any of the minerals (P, Mg, K, Cu and Zn) studied. However, ELF of micro-minerals such as Cu and Zn were significantly affected. The ELF of Cu was significantly lower and that of Zn was significantly higher in V group compared with M-fed fish. Further studies on the effects of such changes in dietary formulations on micro-mineral metabolism are warranted. Springer Science+Business Media Dordrecht, 2014 Rainbow trout nationallicence Dietary changes nationallicence Minerals nationallicence Endogenous loss nationallicence Maintenance nationallicence Antony Jesu Prabhu P. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut Kaushik S. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut Mariojouls C. AgroParisTech, 16 rue Claude Bernard, 75231, Paris, Cedex 5, France aut Surget A. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut Fontagné-Dicharry S. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut Schrama J. AFI, WIAS, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands aut Geurden I. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut Fish Physiology and Biochemistry Springer Netherlands 41/1(2015-02-01), 243-253 0920-1742 41:1<243 2015 41 10695 https://doi.org/10.1007/s10695-014-0020-y text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10695-014-0020-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Antony Jesu Prabhu P. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut NATIONALLICENCE 700 1- Kaushik S. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut NATIONALLICENCE 700 1- Mariojouls C. AgroParisTech, 16 rue Claude Bernard, 75231, Paris, Cedex 5, France aut NATIONALLICENCE 700 1- Surget A. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut NATIONALLICENCE 700 1- Fontagné-Dicharry S. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut NATIONALLICENCE 700 1- Schrama J. AFI, WIAS, Wageningen University, PO Box 338, 6700 AH, Wageningen, The Netherlands aut NATIONALLICENCE 700 1- Geurden I. INRA, UR 1067, Nutrition, Metabolism and Aquaculture (NuMeA), Aquapôle, 64310, Saint-Pee-Sur-Nivelle, France aut NATIONALLICENCE 773 0- Fish Physiology and Biochemistry Springer Netherlands 41/1(2015-02-01), 243-253 0920-1742 41:1<243 2015 41 10695