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Molecules 2015, 20(12), 21058-21066; doi:10.3390/molecules201219751

The Effect of Replacing Fish Meal in the Diet with Enzyme-Treated Soybean Meal (HP310) on Growth and Body Composition of Rainbow Trout Fry

Department of Fisheries Science, Science and Research Branch, Islamic Azad University, Tehran 14515/775, Iran
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Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 4 August 2015 / Revised: 13 October 2015 / Accepted: 23 October 2015 / Published: 26 November 2015
(This article belongs to the Section Natural Products)
View Full-Text   |   Download PDF [190 KB, uploaded 26 November 2015]

Abstract

The potential of enzyme-treated soybean meal powder (HP310) as fish meal alternative in diets for rainbow trout weighing 1.17 ± 0.3 g was evaluated for 60 days. Fish meal was replaced with HP310 at 25%, 50%, 75% and 100% of experimental diets. A control group was also considered. The results showed that diets containing 75% and 100% HP310 had significantly higher feed conversion ratio and lower feed intake, weight gain and specific growth rate compared to fish feed diets containing higher levels of fish protein ingredients (p < 0.05). Results suggested use of 50% HP310 in trout diet had a positive effect on growth performance (p < 0.05). All fish feed diets with HP310 had lower hematocrit, hemoglobin and red blood cells compared to the control group, but the differences between the control and the other treatments up to 75% HP310 replacement levels of diet (p > 0.05). However increasing in level of HP310 in the diet caused a significant increase of the white blood cells (p < 0.05). The fish fed with a diet totally replaced by HP310 showed the highest values of ash and moisture content among the diets and showed significantly different levels when compared with the control and other feeding treatments (p < 0.05). View Full-Text
Keywords: rainbow trout; enzyme-treated soybean meal (HP310); fish meal; growth; proximate compositions rainbow trout; enzyme-treated soybean meal (HP310); fish meal; growth; proximate compositions
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Haghbayan, S.; Shamsaie Mehrgan, M. The Effect of Replacing Fish Meal in the Diet with Enzyme-Treated Soybean Meal (HP310) on Growth and Body Composition of Rainbow Trout Fry. Molecules 2015, 20, 21058-21066.

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