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A comparison of natural and artificial diets for juveniles of the Australian freshwater crayfish Cherax destructor

Version 2 2024-06-03, 22:52
Version 1 2017-07-26, 12:27
journal contribution
posted on 2024-06-03, 22:52 authored by GD Verhoef, PL Jones, Chris AustinChris Austin
Growth rates of juvenile yabbies Cherax destructor fed a variety of natural and an artificial diet were compared under controlled conditions. Newly independent (stage 3) juveniles were reared individually in 1-L pomades for 35 d. The best survival and growth were obtained on live zooplankton, frozen zooplankton, shrimp meal pellets and tubifex worms (survival, 100%; mean weights, 608, 444, 380 and 338 mg, respectively). Intermediate growth and survival was exhibited by crayfish fed chironomid larvae, snails and mussels (survival, 80-100%; mean weight, 138-169 mg). Juveniles fed trout muscle, beef heart and yabby tail gave very poor growth and survival (survival, 50-80%; mean weight, 50-55 mg). The use of shrimp meal pellets as a reference diet for juvenile yabbies is discussed.

History

Journal

Journal of the world aquaculture society

Volume

29

Pagination

243-248

Location

Chichester, Eng.

ISSN

0893-8849

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

1998, World Acquaculture Society

Issue

2

Publisher

Wiley-Blackwell

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