Astacus astacus


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Astacus astacus

European crayfish. See Table 23.
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ABSTRACT Commercially viable aquaculture of noble crayfish Astacus astacus (Linnaeus, 1758), a once plentiful food species in Europe, requires production of suitable artificial diets for optimal growth in recirculating aquaculture systems (RAS).
Grimm C, Lehmann K, Brendelberger B, Clemmesen C (2013) RNA/DNA ratio is an early responding, accurate performance parameter in growth experiments of noble crayfish Astacus astacus (L.
Kerkut and Taylor (1958) observed similar behaviors in the crayfish Astacus astacus, which increased activity when the temperature dropped.
In addition, it is known that decapsulated Artemia eggs are successfully applied in feeding of Panaeus indicus and Astacus astacus in the larval period (Ribeiro, 1998; Kouba et al.
For crayfish, we used the mean weight (27 g) estimated in an earlier study in this region for European crayfish Astacus astacus specimens preyed on by otters (Kloskowski 1999).
leniusculus have been found replacing populations of Astacus astacus and Austropotamobius pallipes, reaffirming that ecological mechanisms identified in the laboratory may be sufficient for species replacements (Holdich and Domaniewski, 1995; S6derback, 1995).
Liu et al (26) y Guertler et al (27) senalaron que la aplicacion de laminarina en Astacus astacus, F.
Burba (1999) encontro que la exposicion aguda de cobre en el crustaceo Astacus astacus, afectaba negativamente la orientacion, reaccion e investigacion-busqueda, mientras que la reaccion contacto-pelea aumentaba drasticamente volviendose mas agresivos, segun OMRI (2001) estos problemas de actividad locomotora, comportamiento y mortalidad esta relacionado con la desnaturalizacion de las proteinas celulares de los organismos que ocasiona el sulfato de cobre.
clarkii frente al hongo Aphanomyces astaci, se concluye que tiene grandes ventajas frente a las especies nativas, como es el caso de la especie europea Astacus astacus (Linnee, 1758) que presenta una alta susceptibilidad al hongo mencionado (Holdich et al.
For example, Kleine (1966) described the gastric juice of the crayfish Astacus astacus as being devoid of lipolytic activity but reported high lipolytic activity in an extract of hepatopancreas.