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Citation

Adamidou S, Nengas I, Henry M, Midoy NI, Rigos G, Bell JG & Jauncey K (2011) Effects of dietary inclusion of peas, chickpeas and faba beans on growth, feed utilization and health of gilthead seabream (Sparus aurata). Aquaculture Nutrition, 17 (2), pp. e288-e296. https://doi.org/10.1111/j.1365-2095.2010.00762.x

Abstract
Three legumes [field peas (P), chickpeas (CP) and faba beans (B)] at two inclusion levels [170 g kg)1 (L) and 350 g kg)1 (H)] were evaluated in a 13-week experiment with triplicate groups of 92.6 +/- 5.0 g gilthead seabream (Sparus aurata L.). A control diet included wheat meal, fishmeal (FM) and a mixture of plant ingredients as protein sources. Diets were formulated to be isonitrogenous and isoenergetic and processed in a twin-screw extruder. Restricted feeding was applied (15 g kg)1 of body weight) and growth, haematology and histology parameters were evaluated. Decreased, but not significant, growth values were observed for all diets including legumes compared to the control. Poorer feed conversion ratio values were observed for both P diets and for high level B diet. Liver glycogen increased with increasing starch level, but hepatosomatic index did not differ significantly for any of the diet treatments. Histological examination of internal organs showed no pathological abnormalities that could be related to nutritional treatment. The study indicated that the tested legumes are ingredients that could be used in farmed seabream diets up to 350 g kg)1 without negative effects replacing other carbohydrate sources and part of FM.

Keywords
Gilthead seabream; Intestinal histology; Legumes; Wheat substitution; sustainable fisheries; Fishery management

Journal
Aquaculture Nutrition: Volume 17, Issue 2