Results 31 to 40 of about 4,221 (245)

EFFECTS OF RATION SIZE AND TEMPERATURE ON MOULT INCREMENT AND METABOLIC PARAMETERS OF JUVENILE NOBLE CRAYFISH, ASTACUS ASTACUS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2007
A laboratory experiment was carried out to test the combined effects of ration size (1 vs 3% body weight, b.w.) and temperature (15 ± 2 vs 22 ± 2 °C) on moult increment and metabolic parameters of 80 juvenile noble crayfish (Astacus astacus). The maximum
RENAI B., GHERARDI F., D’AGARO E.
doaj   +1 more source

Determination of microbiological quality of boiled crayfish (Astacus leptodactylus) samples treated with chitosan

open access: yesAnnals of Animal Science
Coating crayfish (Astacus leptodactylus) meat samples with chitosan solution could be an effective approach to limit microbiological spoilage. During the 18-day cold storage period at 2°C±1, mesophilic aerobic bacteria (MABc), psychrophilic bacteria (PBc)
Zafer Ceylan   +4 more
semanticscholar   +1 more source

Environmental DNA (eDNA) Monitoring of Noble Crayfish Astacus astacus in Lentic Environments Offers Reliable Presence-Absence Surveillance – But Fails to Predict Population Density

open access: yesFrontiers in Environmental Science, 2020
Noble crayfish is the most widespread native freshwater crayfish species in Europe. It is threatened in its entire distribution range and listed on the International Union for Concervation Nature- and national red lists.
S. Johnsen   +3 more
semanticscholar   +1 more source

EVALUATION OF THE AMERICAN WATERWEED (ELODEA CANADENSIS MICHX.) AS SUPPLEMENTAL FOOD FOR THE NOBLE CRAYFISH, ASTACUS ASTACUS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2004
We conducted a preliminary study to evaluate the capacity of summerling Astacus astacus to consume the American waterweed (Elodea canadensis Michx.).under artificial rearing conditions. Summerling A.
D’AGARO E., RENAI B., GHERARDI F.
doaj   +1 more source

Filling the blank spot: first report on the freshwater crayfish distribution in Albania

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
The knowledge on the distribution of native and non-native crayfish species in Europe has substantially advanced during last two decades. However, data on the exact distribution of European crayfish are still lacking in some regions of the Balkan ...
Mrugała Agata   +3 more
doaj   +1 more source

CRAYFISH EPIBIONTS BRANCHIOBDELLA SP. AND HYSTRICOSOMA CHAPPUISI (ANNELIDA: CLITELLATA) IN GREECE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2007
Specimens of the three known Greek crayfish species, Astacus astacus (Linnaeus, 1758), Astacus leptodactylus Eschscholtz, 1823 and Austropotamobius torrentium (Schrank, 1803), were collected from seven localities in Greece and were examined for the ...
SUBCHEV M., KOUTRAKIS E., PERDIKARIS C.
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: yesAquaculture Research, 2020
New and viable species for aquaponics and integrated multi‐trophic aquaculture (IMTA) in freshwater systems can improve yields and sustainability of aquaculture.
Tanja Yvonne Roessler   +3 more
semanticscholar   +1 more source

Functional and Nutraceutical Properties of Protein and Polyphenols Extracted From Agro‐Industrial Waste: A Comprehensive Review

open access: yeseFood, Volume 7, Issue 1, February 2026.
The article underscores the promising future perspectives of utilizing agro‐industrial waste, envisioning sustainable production processes, and meeting the increasing demand for environmentally friendly and health‐promoting products. ABSTRACT The growing imperative for increased food production has propelled an example alteration in the perception of ...
Fakhar Islam   +9 more
wiley   +1 more source

New Ukrainian records of Branchiobdella parasita (Annelida: Clitellata: Branchiobdellida) from the Danube basin [PDF]

open access: yesScientific Annals of the Danube Delta Institute, 2013
This research deals with the first substantiated Ukrainian records of Branchiobdella parasita (Braun, 1805) from the Danube basin including the Danube Delta and a tributary of the Tisza in Transcarpathia.
KOLESNYKOVA Maria, UTEVSKY Serge
doaj   +1 more source

Impact of the Highly Invasive Signal Crayfish (Pacifastacus leniusculus) on Freshwater Macroinvertebrate Communities

open access: yesFreshwater Biology, Volume 71, Issue 2, February 2026.
ABSTRACT Invasive non‐native species threaten freshwater ecosystems, disrupting the functioning and structure of the food chain and potentially leading to biodiversity loss. As omnivores, crayfish can modify their environment, directly affecting organisms such as macroinvertebrates.
António Barbosa Nogueira   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy