Utilization of Egyptian mallow in feeding common carp (Cyprinus carpio L.)

Labib, E.; Omar, E.; Tag, E.D.n, A.E.; Nour, A.M.

Asian Australasian Journal of Animal Sciences 7(2): 191-196


ISSN/ISBN: 1011-2367
Accession: 002541436

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In experiment 1, diets containing 0, 5, 15 and 25% Egyptian mallow leaf meal (Malva parviflora, EMLM) included in place of berseem leaf meal were fed to fingerlings of common carp (Cyprinus carpio L.) for 98 days. The average daily gain, feed intake and feed conversion ratio were improved (P<0.05) with increasing levels of EMLM in the diet. Fish fed 25% EMLM were similar to control fish (30% berseem leaf meal) in the productive value (PPV%). In experiment 2, protein diets contained 30% berseem leaf meal, 25% untreated EMLM, 25% cooked EMLM, 25% treated EMLM with 0.5% NaOH, and 25% treated EMLM with 1% NaOH. The diet containing EMLM gave the best growth performance and feed utilization. However, the diet containing 1% NaOH-treated EMLM was superior to the other diets in PPV% and energy utilization. Diets containing 0.5% NaOH-treated EMLM or cooked EMLM decreased protein utilization compared with those containing untreated EMLM.