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Larval rearing of burbot (Lota lota L.) using Brachionus calyciflorus rotifer as starter food

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@article{30854bfa0b334fc7bc58f9f76b3ca550,
title = "Larval rearing of burbot (Lota lota L.) using Brachionus calyciflorus rotifer as starter food",
abstract = "Burbot Lota lota L. is one of the endangered freshwater fish species in western Europe for which the development of controlled larval rearing procedures could produce enough material for stock enhancement. The suitability of the freshwater rotifer Brachionus calyciflorus as a start food for larviculture of burbot was investigated. After yolk-absorption, the larvae were stocked in 40-L tanks under different feeding conditions: clear water rearing conditions with rotifers (Brachionus calyciflorus) for 10 days (R), green water conditions (Chlorella sp.) with rotifers offered for 10 days (MALR), green water conditions (Chlorella sp.) for 3 days followed by clear water in combination with rotifer feeding for 7 days (AL3R), and clear water conditions with Artemia nauplii offered for 10 days (Art). After the 10-day feeding, all groups received Artemia nauplii up to 35 days post-hatching. Larval survival was counted at day 10 and at the end of the 35-day rearing experiment. At day 35, a significant survival difference was noted between the groups where rotifers were supplemented with algae vs only Artemia. At the end of the experiment, the highest survival rate (69.20{\%}) was obtained with larvae receiving only algae in the first 3 days of feeding. Lowest survival rate (24.90{\%}) was obtained with larvae receiving only Artemia for 35 days. This indicates that smaller prey are essential for burbot at first feeding. Larval length and wet weight were measured at the time of mouth opening, at days 7, 10, and 21, and at the end of the experiment (day 35). On day 35, mean length of the larvae varied significantly between the treatments. However, the final wet weight of the larvae did not vary significantly between the treatments.",
author = "Harzevili, {A. S} and {De Charleroy}, Daniel and Johan Auwerx and Inne Vught and {Van Slycken}, Jos and P Dhert and P Sorgeloos",
note = "Publication Authorstring : Harzevili, A.S.; De Charleroy, D.; Auwerx, J.; Vught, I.; Van Slycken, J.; Dhert, P.; Sorgeloos, P. Publication RefStringPartII : <i>Journal of Applied Ichthyology = Zeitschrift f{\"u}r angewandte Ichthyologie 19(2)</i>: 84-87",
year = "2003",
doi = "10.1046/j.1439-0426.2003.00442.x",
language = "English",
volume = "19",
pages = "84--87",
journal = "Journal of Applied Ichthyology = Zeitschrift f{\"u}r angewandte Ichthyologie",
issn = "0175-8659",
publisher = "Blackwell Verlag",
number = "2",

}

RIS

TY - JOUR

T1 - Larval rearing of burbot (Lota lota L.) using Brachionus calyciflorus rotifer as starter food

AU - Harzevili, A. S

AU - De Charleroy, Daniel

AU - Auwerx, Johan

AU - Vught, Inne

AU - Van Slycken, Jos

AU - Dhert, P

AU - Sorgeloos, P

N1 - Publication Authorstring : Harzevili, A.S.; De Charleroy, D.; Auwerx, J.; Vught, I.; Van Slycken, J.; Dhert, P.; Sorgeloos, P. Publication RefStringPartII : <i>Journal of Applied Ichthyology = Zeitschrift für angewandte Ichthyologie 19(2)</i>: 84-87

PY - 2003

Y1 - 2003

N2 - Burbot Lota lota L. is one of the endangered freshwater fish species in western Europe for which the development of controlled larval rearing procedures could produce enough material for stock enhancement. The suitability of the freshwater rotifer Brachionus calyciflorus as a start food for larviculture of burbot was investigated. After yolk-absorption, the larvae were stocked in 40-L tanks under different feeding conditions: clear water rearing conditions with rotifers (Brachionus calyciflorus) for 10 days (R), green water conditions (Chlorella sp.) with rotifers offered for 10 days (MALR), green water conditions (Chlorella sp.) for 3 days followed by clear water in combination with rotifer feeding for 7 days (AL3R), and clear water conditions with Artemia nauplii offered for 10 days (Art). After the 10-day feeding, all groups received Artemia nauplii up to 35 days post-hatching. Larval survival was counted at day 10 and at the end of the 35-day rearing experiment. At day 35, a significant survival difference was noted between the groups where rotifers were supplemented with algae vs only Artemia. At the end of the experiment, the highest survival rate (69.20%) was obtained with larvae receiving only algae in the first 3 days of feeding. Lowest survival rate (24.90%) was obtained with larvae receiving only Artemia for 35 days. This indicates that smaller prey are essential for burbot at first feeding. Larval length and wet weight were measured at the time of mouth opening, at days 7, 10, and 21, and at the end of the experiment (day 35). On day 35, mean length of the larvae varied significantly between the treatments. However, the final wet weight of the larvae did not vary significantly between the treatments.

AB - Burbot Lota lota L. is one of the endangered freshwater fish species in western Europe for which the development of controlled larval rearing procedures could produce enough material for stock enhancement. The suitability of the freshwater rotifer Brachionus calyciflorus as a start food for larviculture of burbot was investigated. After yolk-absorption, the larvae were stocked in 40-L tanks under different feeding conditions: clear water rearing conditions with rotifers (Brachionus calyciflorus) for 10 days (R), green water conditions (Chlorella sp.) with rotifers offered for 10 days (MALR), green water conditions (Chlorella sp.) for 3 days followed by clear water in combination with rotifer feeding for 7 days (AL3R), and clear water conditions with Artemia nauplii offered for 10 days (Art). After the 10-day feeding, all groups received Artemia nauplii up to 35 days post-hatching. Larval survival was counted at day 10 and at the end of the 35-day rearing experiment. At day 35, a significant survival difference was noted between the groups where rotifers were supplemented with algae vs only Artemia. At the end of the experiment, the highest survival rate (69.20%) was obtained with larvae receiving only algae in the first 3 days of feeding. Lowest survival rate (24.90%) was obtained with larvae receiving only Artemia for 35 days. This indicates that smaller prey are essential for burbot at first feeding. Larval length and wet weight were measured at the time of mouth opening, at days 7, 10, and 21, and at the end of the experiment (day 35). On day 35, mean length of the larvae varied significantly between the treatments. However, the final wet weight of the larvae did not vary significantly between the treatments.

U2 - 10.1046/j.1439-0426.2003.00442.x

DO - 10.1046/j.1439-0426.2003.00442.x

M3 - A1: Web of Science-article

VL - 19

SP - 84

EP - 87

JO - Journal of Applied Ichthyology = Zeitschrift für angewandte Ichthyologie

JF - Journal of Applied Ichthyology = Zeitschrift für angewandte Ichthyologie

SN - 0175-8659

IS - 2

ER -

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