Results 1 to 10 of about 1,459 (197)

Monitoring of noble, signal and narrow-clawed crayfish using environmental DNA from freshwater samples. [PDF]

PLoS ONE, 2017
For several hundred years freshwater crayfish (Crustacea-Decapoda-Astacidea) have played an important ecological, cultural and culinary role in Scandinavia.
Sune Agersnap, William Brenner Larsen, Steen Wilhelm Knudsen, David Strand, Philip Francis Thomsen, Martin Hesselsøe, Peter Bondgaard Mortensen, Trude Vrålstad, Peter Rask Møller   +8 more
doaj   +13 more sources

Physiological Responses and Histopathological Changes in Narrow-Clawed Crayfish (Pontastacus leptodactylus) Under Acute Thermal Stress [PDF]

Animals
To investigate thermal tolerance, physiological responses, and molecular mechanisms of the narrow-clawed crayfish (Pontastacus leptodactylus) under acute thermal stress, the P.
Xia Zhu, Bin Li, Yuzhen Liu, Shujian Chen, Yangfang Ye, Ronghua Li, Weiwei Song, Changkao Mu, Chunlin Wang, Ce Shi   +9 more
doaj   +3 more sources

New codend designs to improve the size selectivity of fyke net for narrow-clawed crayfish (Pontastacus leptodactylus) [PDF]

Aquatic Living Resources, 2022
The narrow-clawed crayfish (Pontastacus leptodactylus) is one of the most ecologically and economically important freshwater species in Turkey. However, the harvest of this species has declined from 7937 t in 1984 to 696 t in 2019. One of primary reasons
Cilbiz Mehmet, Aydın Celalettin, Herrmann Bent   +2 more
doaj   +10 more sources

Effects of Dietary Pectin and Lactobacillus salivarius ATCC 11741 on Growth Performance, Immunocompetence, Gut Microbiota, Antioxidant Capacity, and Disease Resistance in Narrow-Clawed Crayfish, Postantacus leptodactylus [PDF]

Aquaculture Nutrition, 2022
The present study was conducted to clarify the effects of Lactobacillus salivarius (LS) ATCC 11741 and pectin (PE) on growth performance, digestive enzymes activity, gut microbiota composition, immune parameters, antioxidant defense as well as disease ...
Samyah Darwish Saddig Jastaniah, Hafsan Hafsan, Cheng-jui Tseng, Yasir Salam Karim, Mohammed Ubaid Hamza, Noora M. Hameed, Sura Hasan Al-Zubaidi, Saif Sabbar Kemil Almotlaq, Ghulam Yasin, A. Heri Iswanto, Mahnaz Dadras, Mohammad Mansouri Chorehi   +11 more
doaj   +2 more sources

Immune Response in Crayfish Is Species-Specific and Exhibits Changes along Invasion Range of a Successful Invader [PDF]

Biology, 2021
Immunity is an important component of invasion success since it enables invaders’ adaptation to conditions of the novel environment as they expand their range.
Paula Dragičević, Dorotea Grbin, Ivana Maguire, Sofia Ana Blažević, Lucija Abramović, Anita Tarandek, Sandra Hudina   +6 more
doaj   +2 more sources

Prevalence, molecular identification and genotyping of the crayfish plague pathogen, Aphanomyces astaci in major narrow-clawed crayfish (Pontastacus leptodactylus Eschscholtz, 1823) populations from Türkiye [PDF]

Journal of Veterinary Research
Crayfish plague is considered the most important crayfish disease globally. It is caused by the fungus-like agent, Aphanomyces astaci. This study aimed to identify and determine the prevalence of A. astaci using PCR in narrow-clawed crayfish (Pontastacus
Akhan Süleyman, Çağatay İfakat Tülay, Berber Selçuk, Taştan Büşra, Taştan Yiğit, Dalar Tuba   +5 more
doaj   +2 more sources

Modeling and predicting meat yield and growth performance using morphological features of narrow-clawed crayfish with machine learning techniques [PDF]

Scientific Reports
In recent studies, artificial intelligence and machine learning methods give higher accuracy than other prediction methods in large data sets with complex structures.
Yasemin Gültepe, Selçuk Berber, Nejdet Gültepe   +2 more
doaj   +2 more sources

Farming of Indigenous Crayfish in Russia: A Mini-Review of Recent Studies [PDF]

Animals
Natural populations of crayfish in Europe have experienced significant declines due to the spread of crayfish plague, overfishing, competition with invasive crayfish species, and habitat degradation.
Alexander G. Dvoretsky, Vladimir G. Dvoretsky   +1 more
doaj   +2 more sources

First record of Astathelohania contejeani (Henneguy, 1892) in the narrow-clawed crayfish Pontastacus leptodactylus (Eschscholtz, 1823) from Belarus [PDF]

Oceanological and Hydrobiological Studies
Porcelain disease, caused by the parasite Astathelohania contejeani, is a fatal disease for freshwater crayfish. Previously published data provide information on the occurrence of A. contejeani in various crayfish species. However, its prevalence in host
Śliwińska Karolina, Skuratovich Elena, Alekhnovich Anatoly   +2 more
doaj   +3 more sources

Influence of temperature on embryonic development of Pontastacus leptodactylus freshwater crayfish, and characterization of growth and osmoregulation related genes [PDF]

BMC Zoology
Narrow clawed crayfish, Pontastacus (Astacus) leptodactylus, represents an ecologically and economically valuable freshwater species. Despite the high importance of artificial breeding for conservation purpose and aquaculture potential, hatching ...
Maria V. Alvanou, Konstantinos Feidantsis, Athanasios Lattos, Anthi Stoforiadi, Apostolos P. Apostolidis, Basile Michaelidis, Ioannis A. Giantsis   +6 more
doaj   +2 more sources