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Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)

Daniel Lee Merrifield, Derya Güroy, Betül Güroy, Matthew James Emery, Carole Anne Llewellyn, Steve Skill Orcid Logo, Simon John Davies

Aquaculture, Volume: 299, Issue: 1-4, Pages: 128 - 133

Swansea University Author: Steve Skill Orcid Logo

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DOI (Published version): 10.1016/j.aquaculture.2009.12.004

Abstract

A 9week study was conducted to assess the effect of incorporating dietary Chlorogloeopsis on the growth performance, feed utilisation, body composition, haematology and gut microbiota of red tilapia (Oreochromis niloticus). Chlorogloeopsis cells were supplemented to the diet at 0.25%, 0.50% and 1.00...

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Published in: Aquaculture
Published: 2010
URI: https://cronfa.swan.ac.uk/Record/cronfa28855
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spelling 2016-07-25T16:13:45.4513534 v2 28855 2016-06-13 Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus) f7851c38f3019243981f40a4b271e7bb 0000-0001-6777-7488 Steve Skill Steve Skill true false 2016-06-13 SBI A 9week study was conducted to assess the effect of incorporating dietary Chlorogloeopsis on the growth performance, feed utilisation, body composition, haematology and gut microbiota of red tilapia (Oreochromis niloticus). Chlorogloeopsis cells were supplemented to the diet at 0.25%, 0.50% and 1.00%. Compared to the control group, no significant differences of growth parameters or body composition were observed in the Chlorogloeopsis fed fish. However, haematological and gut microbial load appeared to be more sensitive to dietary Chlorogloeopsis. Haematocrit levels increased from 31.0±2.9% in the control group to 32.8±4.2 and 33.3±5.0 in the 0.50% and 1.00% Chlorogloeopsis groups, respectively. The total allochthonous microbial load and lactic acid bacteria levels were elevated but the microbial groups identified and microbial diversity did not differ between the dietary groups. PCR-DGGE fingerprints of the microbial profiles supported this finding but revealed clear differences between the allochthonous and autochthonous communities. Sequence analysis from DGGE fingerprints identified several bacterial clones closely related to bacteria previously isolated from the digestive tract of fish and revealed a Lactobacillus spp. found in all groups was present only as part of the allochthonous communities. Low level dietary applications of Chlorogloeopsis for tilapia aquaculture seem limited but further evaluation is required. Journal Article Aquaculture 299 1-4 128 133 31 12 2010 2010-12-31 10.1016/j.aquaculture.2009.12.004 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2016-07-25T16:13:45.4513534 2016-06-13T16:35:07.2769497 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Daniel Lee Merrifield 1 Derya Güroy 2 Betül Güroy 3 Matthew James Emery 4 Carole Anne Llewellyn 5 Steve Skill 0000-0001-6777-7488 6 Simon John Davies 7
title Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
spellingShingle Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
Steve Skill
title_short Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
title_full Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
title_fullStr Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
title_full_unstemmed Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
title_sort Assessment of Chlorogloeopsis as a novel microbial dietary supplement for red tilapia (Oreochromis niloticus)
author_id_str_mv f7851c38f3019243981f40a4b271e7bb
author_id_fullname_str_mv f7851c38f3019243981f40a4b271e7bb_***_Steve Skill
author Steve Skill
author2 Daniel Lee Merrifield
Derya Güroy
Betül Güroy
Matthew James Emery
Carole Anne Llewellyn
Steve Skill
Simon John Davies
format Journal article
container_title Aquaculture
container_volume 299
container_issue 1-4
container_start_page 128
publishDate 2010
institution Swansea University
doi_str_mv 10.1016/j.aquaculture.2009.12.004
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description A 9week study was conducted to assess the effect of incorporating dietary Chlorogloeopsis on the growth performance, feed utilisation, body composition, haematology and gut microbiota of red tilapia (Oreochromis niloticus). Chlorogloeopsis cells were supplemented to the diet at 0.25%, 0.50% and 1.00%. Compared to the control group, no significant differences of growth parameters or body composition were observed in the Chlorogloeopsis fed fish. However, haematological and gut microbial load appeared to be more sensitive to dietary Chlorogloeopsis. Haematocrit levels increased from 31.0±2.9% in the control group to 32.8±4.2 and 33.3±5.0 in the 0.50% and 1.00% Chlorogloeopsis groups, respectively. The total allochthonous microbial load and lactic acid bacteria levels were elevated but the microbial groups identified and microbial diversity did not differ between the dietary groups. PCR-DGGE fingerprints of the microbial profiles supported this finding but revealed clear differences between the allochthonous and autochthonous communities. Sequence analysis from DGGE fingerprints identified several bacterial clones closely related to bacteria previously isolated from the digestive tract of fish and revealed a Lactobacillus spp. found in all groups was present only as part of the allochthonous communities. Low level dietary applications of Chlorogloeopsis for tilapia aquaculture seem limited but further evaluation is required.
published_date 2010-12-31T03:35:13Z
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score 11.036334

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