Influence of Live and Dry Diets on Growth and Survival of Chub (Leuciscus cephalus) Larvae

Crooks, Neil; Rees, Wayne; Black, Alan; Hide, David; Britton, J. Robert; Henshaw, Alan

doi:10.4172/2150-3508.1000062

Fish Aquac J

2013

DOI: 10.4172/2150-3508.1000062

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Influence of Live and Dry Diets on Growth and Survival of Chub (Leuciscus cephalus) Larvae

Neil Crooks¹,

Wayne Rees

Alan Black

et al.

Abstract: The effect of live and dry diets on the growth and survival of cultured chub (Leuciscus cephalus) larvae was measured from 5 days post-hatch and over a 24 days period. At its conclusion, larvae fed artificial dry diets were significantly shorter, weighed less and suffered higher mortality rates than those fed Artemia and a mixed diet of Artemia spp. and a commercial feed.

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Comparison of Three Artificial Diets for the Larviculture of Giant Kōkopu (Galaxias argenteus)

McKay

Jeffs

2022

Fishes

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The selection of artificial feed is critical to the success of larviculture of fin fish and requires knowledge of the varied species-specific dietary and nutritional requirements. With the emergence of commercial aquaculture of giant kōkopu, Galaxias argenteus, there is a need to understand the species-specific needs for artificial feeds in larviculture. Consequently, this study compares three commercial artificial dry feeds; Otohime, Artemac and O.range on the growth of recently weaned giant kōkopu. Larvae fed with Otohime outperformed both Artemac and O.range treatments by achieving the highest wet weight after 67 days, greater by at least 47% on average than both Artemac and O.range. These differences in larval performance are likely to be due to the higher protein:energy ratio and EPA content of Otohime. High DHA and ARA in the diets in absolute terms or in relation to EPA did not result in added benefit for growth performance. This study provides an important first step in identifying the nutritional needs of larval giant kōkopu which can assist in improving their commercial aquaculture production.

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Comparison of Three Artificial Diets for the Larviculture of Giant Kōkopu (Galaxias argenteus)

McKay

Jeffs

2022

Fishes

View full text Add to dashboard Cite

show abstract

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Influence of Live and Dry Diets on Growth and Survival of Chub (Leuciscus cephalus) Larvae

Cited by 1 publication

References 24 publications

Comparison of Three Artificial Diets for the Larviculture of Giant Kōkopu (Galaxias argenteus)

Comparison of Three Artificial Diets for the Larviculture of Giant Kōkopu (Galaxias argenteus)

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