The effect of plant protein-based diets on apparent nutrient digestibility, growth response, egesta quantity, postprandial ammonia excretion rate and serum quality of Nile tilapia

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dc.contributor.author Adjei-Boateng, D.
dc.contributor.author Duodu, C.P.
dc.contributor.author Amponsah, A.K.
dc.contributor.author Andrews, P.
dc.contributor.author Obirikorang, K.A.
dc.date.accessioned 2020-03-12T16:11:01Z
dc.date.available 2020-03-12T16:11:01Z
dc.date.issued 2020-02
dc.identifier.other DOI: 10.1111/are.14464
dc.identifier.uri http://ugspace.ug.edu.gh/handle/123456789/35263
dc.description Research Article en_US
dc.description.abstract The study assessed the effect of oilseed meal mixtures on the biological value, faecal matter output, ammonia excretion rates and serum biochemistry of Nile tilapia over 63 days. The experimental diets (PPB 1, PPB 2 and PPB 3) were formulated using four selected oilseed meals that were mixed in different protein proportions to contribute 80% of total dietary crude protein. In each diet, either one or two of the oilseed meals were the dominant protein contributor. A commercial tilapia feed was used as the control diet (CTRL). Sex-reversed Nile tilapia fingerlings (35 g) were stocked at 20 fish per tank in a recirculation system and fed at 3% body weight of their respective diets. At the end of the study, ADCs of dry matter, crude lipid and ash were significantly (p < .05) lower in all the plant-based diets compared with the control diet. Fish fed the control diet had significantly higher weight gain and SGR compared with the plant-based diets. Egesta output was 127% higher in the plant-based diets compared with the control diet. All dietary treatments exhibited a similar trend in changes in ammonia nitrogen. Nevertheless, serum metabolites levels indicated no significant differences among treatments. Although the PPBs did not affect ADC of protein and serum profile, fish growth was reduced while faecal output increased. en_US
dc.description.sponsorship Danida Fellowship Centre, Grant/Award Number: 13-PO1-GHA en_US
dc.language.iso en en_US
dc.publisher Aquaculture Research en_US
dc.subject biological value en_US
dc.subject Oilseed meal en_US
dc.subject Oreochromis niloticus en_US
dc.subject serum biochemistry en_US
dc.subject TAN excretion en_US
dc.title The effect of plant protein-based diets on apparent nutrient digestibility, growth response, egesta quantity, postprandial ammonia excretion rate and serum quality of Nile tilapia en_US
dc.type Article en_US


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