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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Nguyen Quang Linh1, Tran Nguyen Ngoc2, Kieu Thi Huyen2, Ngo Thi Huong Giang2 and Nguyen Van Hue2
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DOI:10.17265/2161-6256/2015.12.015
Affiliation(s)
1. Center for Incubation and Technology Transfer, Hue University, 07 Ha Noi Street, Hue City 47000, Vietnam
2. College of Agriculture and Forestry, Hue University, 102 Phung Hung Street, Hue City 47000, Vietnam
ABSTRACT
The research aimed to investigate for lagoon foodweb and dietary composition for rabbitfish
in different stages (larvae, fingerlings and grower). Data were collected from
two experiments using basic methods in field and laboratory. Experiments were structured on
2,000 larval head, 500
each tanks for nursery and 90 heads of three
groups were collected in different seasons to
laboratories for analysis of feeding intake and food compositions. Results
showed that the number of omnivorous species, including animals,
plants and organics, have been identified and grouped in 39 genera, 30 families, 23
sets, eight classes and six branches. Animal
groups have been identified as 18 breeds, 18 families, 13 lines, three classes and three animal species of
industry animal. Plant foodweb, mainly Bacillariophyta, have accounted for
27 genera and 67.5% of total expenditure vegetation eaten by the
rabbitfish. For the animal feed industry joint foot,
Arthropoda have the highest number of 15 varieties,
accounting for 83.3% of the animal’s nutritional ratio. Organic residues as food for
species have the highest prevalence in digestive tract (94.4%). The dominant
food groups were determined as 15 genera and five animal breeds, particularly those large groups of
algae.
KEYWORDS
Rabbitfish, nutrition, foodweb, characteristics, lagoon.
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