Effect of protein source and nutrient density on growth efficiency, histology and plasma amino acid concentration of rainbow trout (Oncorhynchus mykiss Walbaum)

By F. Barrows, T. Gaylord, D. Stone, C. Smith. 2007

125 citations recorded by the source corpus.

The eiects of protein source and nutrient density on growth e⁄ciency, nutrient digestibility and plasma amino acid concentrations of rainbow trout were evaluated. A 3 by 2 factorial treatment design with three protein sources, ¢sh meal^barley (F^B), plant concentrates (PC) and plant meals (PM), and two nutrient densities were used. A commercial reference diet was also fed. Triplicate tanks of 30 ¢sh (initial wt. 28 g) were fed each diet, and the ¢nal weight averaged 240 g ¢sh � 1 . Protein source and nutrient density aiected feed intake, weight g ain and feed conversion ratio. Weight gain of trout fed the PC and PM diets was approximately 10% less than ¢sh fed the F^B diets. Protein retention was aiected by protein source, but not nutrient density, and was the highest for the ¢sh fed diets containing ¢sh meal and the lowest for the ¢sh fed PM diets. Apparent digestibility coe⁄cients and apparent amino acid availabilities of the diets corresponded with diierences in weight gain. This study provides further evidence that growth rates of trout fed ¢sh meal-free diets, using conventional and concentrated plant protein ingredients, are good but some limitation to growth exists in the ¢sh mealfree diets.

Subfields: Aquatic Science, Immunology, Physiology

View Paper: https://www.semanticscholar.org/paper/6cdde55be0f6375c8746951624edba2b128a0d23

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Aquatic Science

1. G. Salze
2. E. McLean
3. S. Craig
4. M. Sørensen
5. F. Barrows
6. M. Schwarz
7. M. Øverland
8. P. Battle

In Immunology

1. G. Salze
2. M. Øverland
3. M. Sørensen
4. E. McLean
5. S. Craig
6. M. Schwarz
7. F. Barrows
8. P. Battle

In Physiology

1. G. Salze
2. F. Barrows
3. E. McLean
4. S. Craig
5. M. Sørensen
6. T. Gaylord
7. M. Øverland
8. Trond Storebakken

Citations in the corpus

• Use of soy protein concentrate and novel ingredients in the total elimination of fish meal and fish oil in diets for juvenile cobia, Rachycentron canadum (2010, background): “…for the need of alternate proteins to drive the industry forward, more emphasis has been placed upon technologies that can concentrate protein content from traditionally lower-protein sources, resulting in products such as corn gluten meal and soy protein concentrate (SPC; Barrows et al., 2007).”
• The effect of increasing inclusion rates of soybean, pea and canola meals and their protein concentrates on the growth of rainbow trout: Concepts in diet formulation and experimental design for ingredient evaluation (2012, background): “A large number of studies reported at inclusion levels of 159–637 g/kg, SPC reduced the growth of rainbow trout compared to controls (Barrows et al., 2007; Brinker and Reiter, 2011; Stickney et al., 1996).”
• Sensory Analysis of Rainbow Trout, Oncorhynchus mykiss, Fed Enriched Black Soldier Fly Prepupae, Hermetia illucens (2011, background): “Barrows et al. (2007) reported that rainbow trout fed diets where fish meal was replaced with plant meals or plant protein © Copyright by the World Aquaculture Society 2011 34 concentrates exhibited slightly reduced growth and feed efficiency compared to fish fed commercial formulations. de…”
• Sodium diformate and extrusion temperature affect nutrient digestibility and physical quality of diets with fish meal and barley protein concentrate for rainbow trout (Oncorhynchus mykiss) (2011, background): “On the other hand, Barrows et al. (2007b) reported a slight, but not significant, increase in protein digestibility in rainbow trout when increasing the extrusion temperature from 93 to 127 °C.”
• Family growth response to fishmeal and plant-based diets shows genotype × diet interaction in rainbow trout (Oncorhynchus mykiss) (2008, unknown): “In addition, feed were processed using extrusion conditions shown to optimize performance of diets with high soybean meal levels (Barrows et al., 2007).”
• Increasing dietary plant proteins affects growth performance and ammonia excretion but not digestibility and gut histology in turbot (Psetta maxima) juveniles (2011, background): “Studies on other fish species, in which the three plant ingredients used in our study were present in different mixtures of PP, didn't find significant histopathologic changes in intestine of rainbow trout (Barrows et al., 2007), gilthead sea bream (Benedito-Palos et al.”