Results 71 to 80 of about 1,091 (209)

A COMPARISON OF SURVIVAL AND GROWTH IN JUVENILE ASTACUS LEPTODACTYLUS (ESCH.) AND PACIFASTACUS LENIUSCULUS (DANA) UNDER CONTROLLED CONDITIONS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The aim of this study was to compare survival and growth of juvenile narrow-clawed crayfish (Astacus leptodactylus) and signal crayfish (Pacifastacus leniusculus) fed only with experimental pellets (45% of proteins, 6% of fat, 20% crude fibre) under ...
ULIKOWSKI D., KRZYWOSZ T., ŚMIETANA P.
doaj   +1 more source

Determination of Fecundity of Astacus leptodactylus (Eschscholtz, 1823) Under Culture Conditions

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2019
In this study, it was aimed to determine there and fecundity by adapting crayfish (Astacus leptodactylus) obtained from Bafra Fish Lakes (Ulugöl-Samsun) in culture conditions.
Gülşen Uzun Gören   +2 more
doaj   +1 more source

Antibacterial immune response in Astacus leptodactylus (Crustacea, Decapoda).

open access: yesIn vivo (Athens, Greece), 1997
Antibacterial substances (ABS) in the hemolymph of Astacus leptodactylus were studied by agar-plate lysis and inhibition tests. The results demonstrate ABS against Gram-positive and Gram-negative bacteria. ABS against Gram-positive bacteria were identified as a lysozyme with a molecular weight of 14 kDa, heat resistance (< 50 degrees C) and lability to
W E, Xylander, G, Ullrich, H E, Kaiser
openaire   +1 more source

EFFECTS OF ZEOLITE LEVELS ON GROWTH INDEXES OF JUVENILE FRESHWATER CRAYFISH (ASTACUS LEPTODACTYLUS)

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2008
To decrease cost of the commercial formulated food in culture of freshwater crayfish (Astacus leptodactylus), inexpensive additives like Zeolite can be incorporated into food.
H. Zamani; M. Hadavi; M. Khoshkholgh
doaj  

The effect of Lactobacillus plantarum on carcass composition, nutrient efficiency indices, growth performance and survival of Narrow clawed crayfish (Astacus leptodactylus Eschscholtz, 1823) [PDF]

open access: yesبوم‌شناسی آبزیان, 2018
The aim of this study was to evaluate the effects of Lactobacillus plantarum supplementation as probiotic on body composition, growth performance, nutrient efficiency indices, and survival in Astacus leptodactylus. For this purpose, 96 crayfishes (27.88 ±
Shiva Nedaei   +4 more
doaj  

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