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UTILIZATION OF WATER CRESS (NASTURTIUM OFFICINALE L.) IN NOBLE CRAYFISH (ASTACUS ASTACUS) FEEDING [PDF]

open access: bronzeKnowledge and Management of Aquatic Ecosystems, 2006
Juvenile Astacus astacus (initial b.w.: 0.98 ± 0.06 g) were cultured (30 crayfish/m2) in 200l tanks for 69 days. The experimental design was composed of three treatments as follows: control diet (C) (crude protein: 28.4% of the total dried matter, “DM ...
D’AGARO E.
doaj   +2 more sources

ESTIMATION OF NOBLE CRAYFISH (ASTACUS ASTACUS L.) POPULATION SIZE IN THE VELIKA PAKLENICA STREAM (CROATIA) [PDF]

open access: bronzeKnowledge and Management of Aquatic Ecosystems, 2004
Astacus astacus is one of four native European crayfish species living in Croatian freshwaters. It is naturally distributed in rivers belonging to the Black Sea Basin.
MAGUIRE I., HUDINA S., ERBEN R.
doaj   +2 more sources

FIRST RESULTS ABOUT TOPOISOMERASE ACTIVITY IN ASTACUS ASTACUS AND AUSTROPOTAMOBIUS PALLIPES AS A BIOMARKER FOR CRAYFISH VIABILITY [PDF]

open access: bronzeKnowledge and Management of Aquatic Ecosystems, 2004
A comparative study of topoisomerase activity in two European crayfish species Astacus astacus and Austropotamobius pallipes was carried out to determine the physiological basis of the difference in ecological fitness of these systematically related ...
PAOLUCCI M.   +3 more
doaj   +2 more sources

Status and management of noble crayfish Astacus astacus in Estonia [PDF]

open access: greenKnowledge and Management of Aquatic Ecosystems, 2009
Noble crayfish Astacus astacus (L.) is an indigenous and the only crayfish species in Estonia. It is potentially endangered by invasion of alien species, diseases and habitat deterioration but does not have legal protected status and is fished only for recreational purpose. Crayfish Working Group of Ministry of Environment and Department of Aquaculture
Tiit Paaver, Margo Hurt
openalex   +3 more sources

EFFECTS OF EGG BATH AND DAILY REMOVAL OF DEAD EGGS ON HATCHING SUCCESS AND PRODUCTION OF STAGE 2 JUVENILES DURING ARTIFICIAL INCUBATION IN NOBLE CRAYFISH (ASTACUS ASTACUS L.) [PDF]

open access: bronzeKnowledge and Management of Aquatic Ecosystems, 2006
The effects of egg bath (iodine-detergent preparation) and daily removal of dead eggs on hatching success and production of juveniles in stage 2 were investigated during a short (sixteen days) artificial incubation (AI) of noble crayfish eggs.
POLICAR T., KOZÁK P., MARTÍN J.
doaj   +2 more sources

REINTRODUCTION OF ASTACUS ASTACUS L. IN EAST TYROL, AUSTRIA [PDF]

open access: yesKnowledge and Management of Aquatic Ecosystems, 2004
In Tyrolean like in other European freshwaters, crayfish populations decreased in numbers and qualities. They are today regarded as endangered animals. The Astacus astacus (Linnaeus, 1758) population of historical evidence in Tristacher See and its out ...
SINT D., FÜREDER L.
doaj   +2 more sources

Microcystin Profiles in European Noble Crayfish Astacus Astacus and Water in Lake Steinsfjorden, Norway

open access: greenEnvironmental Research, 2023
Christopher O. Miles   +7 more
openalex   +2 more sources

Exploring Prey Selectivity and Feeding Habits of Wels Catfish (<i>Silurus glanis</i> L., 1758) in a Deep Anatolian Reservoir: Seasonal, Length, and Age-Dependent Diet Analysis. [PDF]

open access: yesAquac Nutr
Feeding habits and dietary preferences of wels catfish (Silurus glanis) were investigated in Sıddıklı Dam Lake through the examination of 200 individuals. The results revealed that the species predominantly exhibited piscivorous feeding characteristics, with Tinca tinca (IRI% = 78.93) identified as the primary food source. The food items in the stomach
Yazici R, Yilmaz M, Yazicioğlu O.
europepmc   +2 more sources

Analysis of linear-weight parameters of narrow-clawed crayfish (Astacus) in water reservoirs of Dnipropetrovsk region

open access: yesБіологія тварин, 2023
This research focuses on studying the narrow-clawed crayfish in the Dnipropetrovsk region. The narrow-clawed crayfish, Astacus leptodactylus, is a crucial component of industrial fisheries and plays a significant role in the development of aquatic ...
I. I. Borovyk, O. M. Marenkov
doaj   +1 more source

External Abnormalities and Body Deformities of Noble Crayfish (Malacostraca, Astacidae: Astacus astacus) of West Carpathian Massive (Slovakia): Possible Causes for this Phenomenon

open access: yesEkológia (Bratislava), 2022
Astacus astacus (Linnaeus, 1758) is a vulnerable species. Through comprehensive monitoring, we have determined the current spatial distribution of the populations in two streams of the Western Carpathian Massif.
Z. Krumpálová   +3 more
semanticscholar   +1 more source

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