Results 11 to 20 of about 152 (118)

Artificial extrusion of spermatophores for insemination of the narrow-clawed crayfish Pontastacus leptodactylus (Eschscholtz, 1823)

Aquaculture Reports, 2019
The extrusion of spermatophores using electrical stimulation and dissection techniques from the vas deference was performed to test the feasibility of artificial insemination in Pontastacus leptodactylus.
Ardavan Farhadi, Muzaffer Mustafa Harlıoğlu, Seyfettin Gür   +2 more
doaj   +2 more sources

Biological peculiarities of the cultivation of narrow-clawed crayfish astacus leptodactylus Eschscholtz, 1823 (crustacea, decapoda)

Agrology, 2020
Crayfish Astacus leptodactylus Eschscholtz, 1823 is one of the largest commercial invertebrate internal waters of Ukraine. At the present time producers are unable to meet the needs of the people in this food. The largest number of crayfish (over 90%) is
M. O. Panchishnyy, O. V. Shcherbak, A. V. Bazaeva, R. O. Novitskyi   +3 more
doaj   +3 more sources

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

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

Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae) [PDF]

Nauplius
Heterochely is an important phenomenon in decapod crustaceans. Nevertheless, it was rarely examined in freshwater crayfish. Therefore, the aim of this study was to investigate cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus ...
Selçuk Berber, Semih Kale, Deniz Acarlı   +2 more
doaj   +3 more sources

Some features of crustacean cultivation aquabiotechnology on the waters of energy facilities [PDF]

E3S Web of Conferences, 2021
The data on the state of the crayfish population on the territory of the Middle Volga before its regulation and after the formation of reservoirs are presented.
Kalaida Marina, Khamitova Madina, Borisova Svetlana   +2 more
doaj   +1 more source

PCR detection of the crayfish plague pathogen in narrow-clawed crayfish inhabiting Lake Eğirdir in Turkey [PDF]

Diseases of Aquatic Organisms, 2012
Many populations of the narrow-clawed crayfish Astacus leptodactylus in Turkey, including those inhabiting Lake Eğirdir, declined drastically in the mid-1980s due to introduction of crayfish plague Aphanomyces astaci. However, unlike many other localities, there has been some recovery in the A.
Kozubikova, E., Kozak, P., Kouba, A., Diler, O., Policar, T., Svoboda, J., Petrusek, A., Diler, I., Koca, S. Bahadir   +8 more
openaire   +4 more sources

The expansion of freshwater crayfish range to the center of Eurasia

Nauplius, 2020
Freshwater crayfish were previously absent in the territory stretching from the Caspian Sea basin to the Amur basin. That gap is now being filled, mainly due to the eastward invasion of the narrow-clawed crayfish Astacus leptodactylus, which has ...
Igor Popov
doaj   +1 more source

Levels of accumulation of heavy metals and activity of radionuclides in narrow-clawed crayfish (Astacus leptodactylus Eschscholtz, 1823) of the Kamianske and Zaporizhzhia (Dnipro) reservoirs

Ribogospodarsʹka Nauka Ukraïni, 2023
Purpose. To determine the content of heavy metals as well as natural and artificial radionuclides in muscle tissue and carapaces of narrow-clawed crayfish Astacus leptodactylus of the Kamianske and Zaporizhzhia (Dnipro) reservoirs. Methodology.
P. Korzhenevska, O. Marenkov, I. Borovyk, V. Sondak   +3 more
doaj   +1 more source

Determination of the hygienic quality of Astacus leptodactylus captured from Haft Barm lakes, Fars Province (Iran) in terms of trace metals accumulated in the product [PDF]

Bihdāsht-i Mavādd-i Ghaz̠āyī, 2021
< p >Regards the economic potential in extensive rearing of Narrow-clawed crayfish (Astacus leptodactylus) in Haft Barm lakes, Fars Province (Iran), and considering the chain value and global marketing, we need to monitoring programs on hygienic quality ...
N. Shiry, A. Gholamhosseini, R. Salighezadeh, A. Rahbar, N. Derakhshesh   +4 more
doaj   +1 more source

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

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   +1 more source