freshwater crayfish
Glucose-6-phosphate dehydrogenase regulation in anoxia tolerance of the freshwater crayfish Orconectes virilis
... 2.1. Animals. Freshwater crayfish (Orconectes virilis) were obtained from the Britannia Bait and Food market in Ottawa, Ontario. They were kept in aerated containers of fresh water in incubators set at 15 ◦ ...
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Population dynamics of freshwater crayfish (Astacus leptodactylus) in Aras reservoir, Iran
... of freshwater crayfish (Astacus leptodactylus) of Aras reservoir was investigated during ...captured crayfish were ...largest crayfish had 171mm length and 216g ...Besides, crayfish ...
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Experimentally pathogenesis of Aeromonas hydrophila in freshwater Crayfish (Astacus leptodactylus) in iran
... forty freshwater Crayfish, ...the Crayfish were acclimated to the condition of the laboratory for ten ...time, Crayfish were fed once daily with commercial pellet (trout, Biomar and Blood ...
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Using stable isotope analysis to determine the contribution of naturally occurring pond biota and supplementary feed to the diet of farmed Australian freshwater crayfish, redclaw (Cherax quadricarinatus)
... semi-intensive crayfish farming methods rely on the availability of natural food items as an important source of nutrition for freshwater crayfish species (Jones 1989; Meakin et ...As crayfish ...
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Effects of Different Water Temperatures on the Hatching Time and Survival Rates of the Freshwater Crayfish Astacus leptodactylus (Esch., 1823) Eggs
... of freshwater crayfish, especially on summer-spawning ...spawning crayfish species do not need artificial ...spawning crayfish species takes more than 150 ...first crayfish egg was ...
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A radio telemetry study of movement in the giant Tasmanian freshwater crayfish, Astacopsis gouldi
... Although further investigation is required, it became apparent during the study that A. gouldi is neither strictly nocturnal nor diurnal. Freshwater crayfish and other decapods are reported as being ...
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Multiple drivers of decline in the global status of freshwater crayfish (Decapoda: Astacidea)
... in freshwater ecosys- tems than in most terrestrial or marine ecosystems, making freshwater conservation a ...of freshwater taxa, particularly ...590 freshwater crayfish species using ...
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THE EFFECT OF AMBIENT pH ON ELECTROLYTE REGULATION DURING THE POSTMOULT PERIOD IN FRESHWATER CRAYFISH PROCAMBARUS CLARKII
... To conclude, this study has outlined the effect of acidic or alkaline exposure on electrolyte regulation during the postmoult period in freshwater crayfish. By affecting the ability to calcify, ...
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Extracellular and intracellular acid base status in the freshwater crayfish, Austropotamobius pallipes between 1 and 12(o)C
... winter crayfish have not been ...in freshwater crayfish by acclimating winter animals to an increased or decreased temperature for 1 month in the ...these crayfish was followed in vivo and in ...
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The Biology and Aquaculture Potential of the Tropical Freshwater Crayfish, Cherax quadricarinatus
... Queensland, Cherax quadricarinatus entered the scene and commercial trials in ex-marron ponds began. It was soon evident that this species had a substantially greater potential. C. quadricarinatus along with C. ...
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The factors affecting growth and survival rate of juveniles in culture of Astacidae family freshwater crayfish
... Freshwater crayfish species, Astacus astacus (Europe), Astacus leptodactylus (Turkey, Europe) and Pasifastacus leniusculus(North America and Europea) are species with high commercial price that belong to ...
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Osmotic and ionic regulation in different populations of the new zealand freshwater crayfish Paranephrops zealandicus
... zealandicus which inhabit freshwaters of concentration o#2-o*4 mM-NaCl show lower rates of salt loss over the first 24 h in distilled water than do members of the same species which inha[r] ...
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Improving study designs for assessing forestry impacts on the giant freshwater crayfish, Astacopsis gouldi
... Chapter 1 Literature review Anthropogenic land-use as drivers of freshwater habitat degradation and crayfish decline: a critical review of the contemporary state of scientific knowledge [r] ...
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Correcting misconceptions about the names applied to Tasmania’s giant freshwater crayfish Astacopsis gouldi (Decapoda: Parastacidae)
... stream-dwelling freshwater crayfsh assigned to the endemic genus ...Giant Freshwater Crayfsh, or ‘lobster’, is the world’s largest freshwater ...Giant Freshwater Crayfsh, in the context of the ...
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Shared phylogeographic patterns between the ectocommensal flatworm Temnosewellia albata and its host, the endangered freshwater crayfish Euastacus robertsi
... In MrBayes, a MCMC chain of 2,000,000 iterations was used with a sample frequency of 100. The first 25% of iterations were discarded as burn-in. MEGA v5.10 (Tamura et al., 2011) was used to calculate uncorrected ...
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Physical Properties, Sensory Receptors and Tactile Reflexes of the Antenna of the Australian Freshwater Crayfish Cherax Destructor
... Intracellular recordings from identified extensor and flexor motoneurones revealed the ordered projection of the inputs from the receptor hairs, and also provided a model that correlates[r] ...
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The diet, energetics and distribution of the freshwater crayfish Paranephrops zealandicus (White) in Lake Georgina, South Island, New Zealand
... The effect of temperature on enzyme activity, and the effect of temperature, size, sex and food condition on ingestion rate, and assimilation efficiency were investigated.. Rates of inge[r] ...
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The Effects of Aerial Exposure on the Distribution of Body Water and Ions in the Freshwater Crayfish Austropotamobius Pallipes (Lereboullet)
... Tissue water content The total water content and ECFV of abdominal extensor and flexor muscles was measured in nine submerged animals mean mass 34-5 g and in nine dehydrated animals whic[r] ...
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Characterisation of Cherax quadricarinatus densovirus: the first virus characterised from Australian freshwater crayfish
... Aquatic Pathobiology Working Group FORM: q-CqDV1 PCR CQDV Q-PCR This report generated by Rotor-Gene Q Series Software 2.0.2 Build 4 Copyright 2008 Corbett Life Science, a QIAGEN Company.[r] ...
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Systematics and phylogeny of the Tasmanian freshwater crayfish genus Parastacoides (Decapoda: Parastacidae)
... The study had the following objectives: 1 to determine the validity of electromorphs through a complete analysis of the allozyme electrophoretic data, as well as morphological, morphomet[r] ...
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