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New early feeding strategy using Artemia urmiana (Günther, 1899) and formulated diet for the larviculture of sturgeon species Acipenser persicus (Borodin, 1897) and Huso huso (Linnaeus, 1758)

Farzaneh Nouri UGent (2012)
abstract
In this PhD study, we investigated the use of newly hatched A. urmiana enriched with HUFA and vitamin C to improve the growth, survival and stress tolerance in Persian Sturgeon (A. persicus) and Beluga Sturgeon (H. huso) larvae. We also introduced a new feeding strategy for A. persicus and H. huso larvae by co-feeding with Artemia nauplii and locally available formulated diet at early stages of life to help the industry in reducing the production costs and minimize the mortality rate in grow-out ponds. The experiments showed a significantly higher survival and tolerance towards environmental shocks in both fish larvae enriched with HUFA and vitamin C compared to non-enriched and decapsulated cysts treatments. Very high mortality due to feeding with decapsulated cysts of Artemia proved that it is not suitable starter diet for both fish species. We also found that live food co-fed with a formulated diet could be successfully used in early larval feeding of H. huso and A. persicus. The results revealed that co-feeding permits weaning of both species of sturgeon in a shorter time and considerable reduction of rearing costs, but different transition regimes need to be adopted. Analysis of digestive enzymes in A. persicus revealed highest enzymatic activity (alkaline protease and pepsin) in the co-fed larvae, which indicates a better development of the digestive system Co-feeding in both species thus pre-conditions the larvae to accept the manufactured diet when the live food is withdrawn.
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author
promoter
UGent, UGent and Ghgobad Azari Takami
organization
alternative title
Nieuwe strategie bij vroege voedering met behulp van Artemia Urmiana (Güntehr, 1899) en geformuleerd dieet bij de larvicultuur van de steursoorten Acipenser persicus (Borodin, 1897) en Huso Huso (Linnaeus, 1758)
year
type
dissertation (monograph)
subject
keyword
Acipenser persicus, Artemia, Huso huso, co-feeding
pages
XII, 136 pages
publisher
Ghent University. Faculty of Bioscience Engineering
place of publication
Ghent, Belgium
defense location
Gent : Faculteit Bio-ingenieurswetenschappen
defense date
2012-01-25 16:00
ISBN
9789059894983
language
English
UGent publication?
yes
classification
D1
additional info
dissertation consists of copyrighted material
copyright statement
I have transferred the copyright for this publication to the publisher
id
1997068
handle
http://hdl.handle.net/1854/LU-1997068
date created
2012-01-19 15:22:12
date last changed
2012-01-20 09:32:59
@phdthesis{1997068,
  abstract     = {In this PhD study, we investigated the use of newly hatched A. urmiana enriched with HUFA and vitamin C to improve the growth, survival and stress tolerance in Persian Sturgeon (A. persicus) and Beluga Sturgeon (H. huso) larvae. We also introduced a new feeding strategy for A. persicus and H. huso larvae by co-feeding with Artemia nauplii and locally available formulated diet at early stages of life to help the industry in reducing the production costs and minimize the mortality rate in grow-out ponds.
The experiments showed a significantly higher survival and tolerance towards environmental shocks in both fish larvae enriched with HUFA and vitamin C compared to non-enriched and decapsulated cysts treatments. Very high mortality due to feeding with decapsulated cysts of Artemia proved that it is not suitable starter diet for both fish species.
We also found that live food co-fed with a formulated diet could be successfully used in early larval feeding of H. huso and A. persicus. The results revealed that co-feeding permits weaning of both species of sturgeon in a shorter time and considerable reduction of rearing costs, but different transition regimes need to be adopted.
Analysis of digestive enzymes in A. persicus revealed highest enzymatic activity (alkaline protease and pepsin) in the co-fed larvae, which indicates a better development of the digestive system Co-feeding in both species thus pre-conditions the larvae to accept the manufactured diet when the live food is withdrawn.},
  author       = {Nouri, Farzaneh},
  isbn         = {9789059894983},
  keyword      = {Acipenser persicus,Artemia,Huso huso,co-feeding},
  language     = {eng},
  pages        = {XII, 136},
  publisher    = {Ghent University. Faculty of Bioscience Engineering},
  school       = {Ghent University},
  title        = {New early feeding strategy using Artemia urmiana (G{\"u}nther, 1899) and formulated diet for the larviculture of sturgeon species Acipenser persicus (Borodin, 1897) and Huso huso (Linnaeus, 1758)},
  year         = {2012},
}

Chicago
Nouri, Farzaneh. 2012. “New Early Feeding Strategy Using Artemia Urmiana (Günther, 1899) and Formulated Diet for the Larviculture of Sturgeon Species Acipenser Persicus (Borodin, 1897) and Huso Huso (Linnaeus, 1758)”. Ghent, Belgium: Ghent University. Faculty of Bioscience Engineering.
APA
Nouri, F. (2012). New early feeding strategy using Artemia urmiana (Günther, 1899) and formulated diet for the larviculture of sturgeon species Acipenser persicus (Borodin, 1897) and Huso huso (Linnaeus, 1758). Ghent University. Faculty of Bioscience Engineering, Ghent, Belgium.
Vancouver
1.
Nouri F. New early feeding strategy using Artemia urmiana (Günther, 1899) and formulated diet for the larviculture of sturgeon species Acipenser persicus (Borodin, 1897) and Huso huso (Linnaeus, 1758). [Ghent, Belgium]: Ghent University. Faculty of Bioscience Engineering; 2012.
MLA
Nouri, Farzaneh. “New Early Feeding Strategy Using Artemia Urmiana (Günther, 1899) and Formulated Diet for the Larviculture of Sturgeon Species Acipenser Persicus (Borodin, 1897) and Huso Huso (Linnaeus, 1758).” 2012 : n. pag. Print.