MACROZOOBENTHOS IN CARP FISH FRY

Qualitative and quantitative components of macrozoobenthos was investigated on six fish farms with 8-10 ha-1 each at "Donji Miholjac". The ponds were stocked with 200,000 individuals per ha! of three-day-old carp larvae. The fry were fed with animal protein throughout the culturing season....

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Main Author: Ljubica Debeljak
Format: Article
Language:English
Published: Sciendo 1996-12-01
Series:Croatian Journal of Fisheries
Subjects:
Online Access:http://ribarstvo.agr.hr/articles/75361_MAKROZOOBENTOS_U_ARANSKIM_RIBNJACIMA_hr.pdf
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author Ljubica Debeljak
author_facet Ljubica Debeljak
author_sort Ljubica Debeljak
collection DOAJ
description Qualitative and quantitative components of macrozoobenthos was investigated on six fish farms with 8-10 ha-1 each at "Donji Miholjac". The ponds were stocked with 200,000 individuals per ha! of three-day-old carp larvae. The fry were fed with animal protein throughout the culturing season. The qualitative and quabtitative macrozoobenthos components formed mainly due to systematic groups of Oligochaeta and Chironomidae. The average size of Oligohaeta varied in each pond from 119 to 944 individuals per m-2 and from 2.18 to 14.09 g per m-2, and the larvae of Chironomidae from 174 to 1086 ind. per m-2 and from 2.66 to 14.09 g per m-2. Variation s of the total macrozoobenthos was within the amplitude of from 28 to 5805 ind. per m-2 and from 0.11 to 73.72 g. per m-2. In mid summer it was determined that there was a fall in the amount of macrozoobenthos in all fish ponds (Table 6).
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spelling doaj.art-150c721fabef4ec89d0029d5bedfc52f2022-12-22T02:51:37ZengSciendoCroatian Journal of Fisheries1330-061X1848-05861996-12-0154118MACROZOOBENTHOS IN CARP FISH FRYLjubica DebeljakQualitative and quantitative components of macrozoobenthos was investigated on six fish farms with 8-10 ha-1 each at "Donji Miholjac". The ponds were stocked with 200,000 individuals per ha! of three-day-old carp larvae. The fry were fed with animal protein throughout the culturing season. The qualitative and quabtitative macrozoobenthos components formed mainly due to systematic groups of Oligochaeta and Chironomidae. The average size of Oligohaeta varied in each pond from 119 to 944 individuals per m-2 and from 2.18 to 14.09 g per m-2, and the larvae of Chironomidae from 174 to 1086 ind. per m-2 and from 2.66 to 14.09 g per m-2. Variation s of the total macrozoobenthos was within the amplitude of from 28 to 5805 ind. per m-2 and from 0.11 to 73.72 g. per m-2. In mid summer it was determined that there was a fall in the amount of macrozoobenthos in all fish ponds (Table 6).http://ribarstvo.agr.hr/articles/75361_MAKROZOOBENTOS_U_ARANSKIM_RIBNJACIMA_hr.pdffish poundmacrozoobenthos
spellingShingle Ljubica Debeljak
MACROZOOBENTHOS IN CARP FISH FRY
Croatian Journal of Fisheries
fish pound
macrozoobenthos
title MACROZOOBENTHOS IN CARP FISH FRY
title_full MACROZOOBENTHOS IN CARP FISH FRY
title_fullStr MACROZOOBENTHOS IN CARP FISH FRY
title_full_unstemmed MACROZOOBENTHOS IN CARP FISH FRY
title_short MACROZOOBENTHOS IN CARP FISH FRY
title_sort macrozoobenthos in carp fish fry
topic fish pound
macrozoobenthos
url http://ribarstvo.agr.hr/articles/75361_MAKROZOOBENTOS_U_ARANSKIM_RIBNJACIMA_hr.pdf
work_keys_str_mv AT ljubicadebeljak macrozoobenthosincarpfishfry