Results 71 to 80 of about 2,542 (212)

Study on the Artificial Incubation of Procambarus clarkii Embryos

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
The Procambarus clarkii industry currently faces four major challenges: genetic degradation, disease, unstable prices, and limited breeding methods and modes. Studies on the artificial incubation of P. clarkii embryos can help solve these problems. The purpose of this study was to screen for parameters (disinfectants, embryo stripping stage, embryo ...
Shun Cheng   +8 more
wiley   +1 more source

STATUS OF FRESHWATER CRAYFISH IN LATVIA

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
There are three crayfish species present in Latvia: the European noble crayfish (Astacus astacus), the narrow-clawed crayfish (Astacus leptodactylus), and the North-American signal crayfish (Pacifastacus leniusculus) species. Probably only noble crayfish
ARENS A., TAUGBØL T.
doaj   +1 more source

Morphology of the narrow-clawed crayfish (Astacus leptodactylus Eschscholtz, 1823) in the north-west Croatia [PDF]

open access: yes, 2017
Astacus leptodactylus jedna je od četiri nativne vrste porodice Astacidae u Hrvatskoj, ujedno je i ključna vrsta u slatkovodnim ekosustavima. Unatoč važnosti vrste A. leptodactylus, općenito nedostaju podaci o toj vrsti na europskom nivou.
Preininger, Tamara
core   +1 more source

When Methodological Innovation Changes the Game: A 10‐Year Review of Environmental DNA (eDNA) Applied to Crayfish

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 34, Issue 9, September 2024.
ABSTRACT The use of environmental DNA (eDNA) as a tool for monitoring represents a major innovative advance in environmental science, one that enables the detection of species without the need to observe or capture them. This article assesses the state of play of eDNA research targeting crayfish.
Thomas Baudry   +4 more
wiley   +1 more source

Величина пищевого рациона и его усвояемость у десятиногих ракообразных [PDF]

open access: yes, 2014
Десятиногие ракообразные (отряд Dekapoda) являются важнейшими элементами пищевых цепей водных экосистем. Это ресурсные виды, которые традиционно ценятся на внутреннем и особенно мировом рынке как превосходный деликатесный продукт питания, а также сырье ...
Кулеш, Виктор Федорович
core  

Kerevit (Astacus leptodactylus) Yemine Katılan Selenyumun Paraoksonaz ve Arilesteraz Enzim Aktivitelerine Etkisi

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2019
Bu çalışmada kerevit (Astacus leptodactylus Eschscholtz) yemine farklı oranlarda katılan selenyumun hepatopankreas ve gonad dokularında paraoksonaz (PON) ve arilesteraz (ARE) enzim aktivitelerine etkisi araştırılmıştır.
Serpil Mişe Yonar, Muzaffer Harlıoğlu
doaj   +1 more source

Получение сеголетка длиннопалого рака в садках на сбросной подогретой воде теплоэлектростанции [PDF]

open access: yes, 2013
Длиннопалый рак (Astacus leptodactylus Esch.) является важным ресурсным видом водоемов нашей страны. Традиционно эти десятиногие ракообразные ценятся на внутреннем и особенно на мировом рынке как превосходный деликатесный продукт питания, а также ...
Алехнович, Анатолий Васильевич   +2 more
core  

A PROPOSAL FOR ACCEPTING PONTASTACUS AS A GENUS OF EUROPEAN CRAYFISH WITHIN THE FAMILY ASTACIDAE BASED ON A REVISION OF THE WEST AND EAST EUROPEAN TAXONOMIC LITERATURE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The taxonomic classification of European crayfish is neither fully examined nor generally accepted as a unifying scheme. At present, one of the most obvious differences exists between astacologists from Western and Eastern Europe.
ŚMIETANA P.   +3 more
doaj   +1 more source

Аллозимные и морфологические доказательства реальности двух симпатрических видов пресноводных раков в пределах Pontastacus leptodactylus (Eschscholtz, 1823) (Decapoda: Astacidae) [PDF]

open access: yes, 2012
Проведений алозимний i морфометричний аналiз довгопалих ракiв на територiї України довiв реальнiсть двох достатньо масових репродуктивно iзольованих симпатричних, але при цьому не симбiотопiчних видiв власне вузькопалого рака Pontasctacus leptodactylus й
Жалай, Е. И.   +2 more
core  

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