Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels
Mudcatfish (Heterobranchus longifilis) juveniles (body weight 61.60-83.05g, length 204.43 ~c 3.07 - 229.53 ~c 3.65mm) were fed with diet containing crude protein (CP) levels of 30%,35% and 40% for 10 weeks, using fishmeal as a protein source. Growth performance and feed utilization were investigated. Fish were raised in plastic aquaria of dimension 46 x 38 x 28cm3 at a temperature range of 26.0-29.0~'C, pH value of 6.6-7.4 and dissolved oxygen of 3.5-5.1 mg/1. The highest increase in body weight (23.30 ~c 4.30g) and specific growth rate (0.68 ~c 0.02% day-1) were achieved with Diet 2 (35%CP). The condition factor ranged 0.60 ~c 0.009- 0.66 ~c 0.005 and fish survival was 100% for all diets. Protein efficiency ratio (2.37 ~c 0.35) was also significantly better with 35% CP (p<0.001). Diets 1(30% CP) and 2 (40% CP) gave lower performances. The observations in this study suggest that a 35% high quality protein diet will probably provide the needed protein requirement for H.longifilis juveniles.
Main Authors: | , , |
---|---|
Format: | conference_item biblioteca |
Language: | English |
Published: |
FISON
2012
|
Subjects: | Aquaculture, Ecology, Heterobranchus longifilis, Nigeria, Bayelsa, juveniles, Protein, Feed utilization, freshwater environment, Growth rate, Feed, Utilization, Freshwater fish, Juveniles, Diets, Proteins, Fish meal, Condition factor, Survival, Feeding experiments, Fish culture, |
Online Access: | http://hdl.handle.net/1834/38861 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
dig-aquadocs-1834-38861 |
---|---|
record_format |
koha |
spelling |
dig-aquadocs-1834-388612021-07-15T02:50:42Z Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels Reginald, I. Keremah, R.I. Boma, M.O. Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture Mudcatfish (Heterobranchus longifilis) juveniles (body weight 61.60-83.05g, length 204.43 ~c 3.07 - 229.53 ~c 3.65mm) were fed with diet containing crude protein (CP) levels of 30%,35% and 40% for 10 weeks, using fishmeal as a protein source. Growth performance and feed utilization were investigated. Fish were raised in plastic aquaria of dimension 46 x 38 x 28cm3 at a temperature range of 26.0-29.0~'C, pH value of 6.6-7.4 and dissolved oxygen of 3.5-5.1 mg/1. The highest increase in body weight (23.30 ~c 4.30g) and specific growth rate (0.68 ~c 0.02% day-1) were achieved with Diet 2 (35%CP). The condition factor ranged 0.60 ~c 0.009- 0.66 ~c 0.005 and fish survival was 100% for all diets. Protein efficiency ratio (2.37 ~c 0.35) was also significantly better with 35% CP (p<0.001). Diets 1(30% CP) and 2 (40% CP) gave lower performances. The observations in this study suggest that a 35% high quality protein diet will probably provide the needed protein requirement for H.longifilis juveniles. Includes: 3 tables.;Also includes: 13 references. 2021-06-24T18:14:50Z 2021-06-24T18:14:50Z 2012 conference_item TRUE 978-177-041-4 http://hdl.handle.net/1834/38861 en http://www.fison.org.ng/ application/pdf application/pdf 80-82 FISON Lagos (Nigeria) http://aquaticcommons.org/id/eprint/24171 19325 2018-05-13 18:52:27 24171 Fisheries Society of Nigeria |
institution |
UNESCO |
collection |
DSpace |
country |
Francia |
countrycode |
FR |
component |
Bibliográfico |
access |
En linea |
databasecode |
dig-aquadocs |
tag |
biblioteca |
region |
Europa del Oeste |
libraryname |
Repositorio AQUADOCS |
language |
English |
topic |
Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture |
spellingShingle |
Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture Reginald, I. Keremah, R.I. Boma, M.O. Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
description |
Mudcatfish (Heterobranchus longifilis) juveniles (body weight 61.60-83.05g, length 204.43 ~c 3.07 - 229.53 ~c 3.65mm) were fed with diet containing crude protein (CP) levels of 30%,35% and 40% for 10 weeks, using fishmeal as a protein source. Growth performance and feed utilization were investigated. Fish were raised in plastic aquaria of dimension 46 x 38 x 28cm3 at a temperature range of 26.0-29.0~'C, pH value of 6.6-7.4 and dissolved oxygen of 3.5-5.1 mg/1. The highest increase in body weight (23.30 ~c 4.30g) and specific growth rate (0.68 ~c 0.02% day-1) were achieved with Diet 2 (35%CP). The condition factor ranged 0.60 ~c 0.009- 0.66 ~c 0.005 and fish survival was 100% for all diets. Protein efficiency ratio (2.37 ~c 0.35) was also significantly better with 35% CP (p<0.001). Diets 1(30% CP) and 2 (40% CP) gave lower performances. The observations in this study suggest that a 35% high quality protein diet will probably provide the needed protein requirement for H.longifilis juveniles. |
format |
conference_item |
topic_facet |
Aquaculture Ecology Heterobranchus longifilis Nigeria Bayelsa Heterobranchus longifilis juveniles Protein Feed utilization freshwater environment Growth rate Feed Utilization Freshwater fish Juveniles Diets Proteins Fish meal Condition factor Survival Feeding experiments Fish culture |
author |
Reginald, I. Keremah, R.I. Boma, M.O. |
author_facet |
Reginald, I. Keremah, R.I. Boma, M.O. |
author_sort |
Reginald, I. |
title |
Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
title_short |
Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
title_full |
Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
title_fullStr |
Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
title_full_unstemmed |
Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels |
title_sort |
growth performance and feed utilization of mudfish heterobranchus longifilis juveniles fed varying dietary protein levels |
publisher |
FISON |
publishDate |
2012 |
url |
http://hdl.handle.net/1834/38861 |
work_keys_str_mv |
AT reginaldi growthperformanceandfeedutilizationofmudfishheterobranchuslongifilisjuvenilesfedvaryingdietaryproteinlevels AT keremahri growthperformanceandfeedutilizationofmudfishheterobranchuslongifilisjuvenilesfedvaryingdietaryproteinlevels AT bomamo growthperformanceandfeedutilizationofmudfishheterobranchuslongifilisjuvenilesfedvaryingdietaryproteinlevels |
_version_ |
1756079815676395520 |