Results 81 to 90 of about 4,800 (162)

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

Growth performance and RNA/DNA ratio of noble crayfish (Astacus astacus) and narrow-clawed crayfish (Pontastacus leptodactylus) fed fish waste diets

open access: yes, 2020
New and viable species for aquaponics and integrated multi‐trophic aquaculture (IMTA) in freshwater systems can improve yields and sustainability of aquaculture.
Andrea Wirtz (14753161)   +3 more
core  

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  

Comparative Assessment of Potassium Sorbate and Clove Oil (Syzygium aromaticum, L.) on Quality Alteration in Chilled Crayfish (Astacus leptodactylus)

open access: yesYüzüncü Yıl Üniversitesi Tarim Bilimleri Dergisi, 2020
In this study, comparative assessment of potassium sorbate and clove oil (Syzygium aromaticum L.) on the quality characteristics of crayfish (Astacus leptodactylus) during storage at 2°C for 20 days has been investigated. Both potassium sorbate and clove
Eylem Ezgi FADILOĞLU   +1 more
doaj   +1 more source

On Finding of Psorospermium haeckeli Hlgd in Astacus leptodactylus Eschsch. from the Dnieper Basin Water Bodies

open access: yes, 1981
P sorospermium haeckeli was found in Astacus leptodactylus from water bodies of the Dnieper basin. The highest percentage of A . leptodactylus infestation with P. haeckeli is observed in the Udai (75.0%) and Sula (70.0%) rivers .
Бошко, Е.Г.
core   +1 more source

Cadmium Bioaccumulation and Depuration by Freshwater Crayfish, Astacus leptodactylus

open access: yes, 2010
The freshwater crayfish Astacus leptodactylus (Eschscholtz 1823) is naturally and widely distributed in the lakes, ponds and rivers throughout Turkey.
Utku Guner, Guner, Utku
core   +1 more source

STUDY OF THE BIOACCUMULATION OF HEAVY METALS IN ASTACUS LEPTODACTYLUS IN SOME AREAS OF THE KARDZHALI DAM

open access: yes, 2018
It is examined the contents of lead, cadmium and nickel in the water of Kardzhali dam, as well as the bioaccumulation of the heavy metals in two organs – liver and muscles of Astacus leptodactylus.
Atanas Arnaudov   +2 more
core   +1 more source

Length-weight frequency and sex ratio of crayfish, Astacus leptodactylus, in Aras Reservoir, west Azerbaijan, Iran [PDF]

open access: yes, 2009
The length-weight frequency and sex ratio of crayfish (Astacus leptodactylus) in Aras Reservoir, was studied seasonally from spring 2008 to winter 2009.
Mohsen Pourazari, A.   +4 more
core   +1 more source

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