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LES VARIATIONSDE LA TENEUR EN CALCIUM TOTALDE L'HÉMOLYMPHECHEZ ASTACUS PALLIPES Lereboullet
, 1961 R. Sourie, C Chaisemartin
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2020
Published as part of Aleksejevs, Ēriks & Birzaks, Jānis, 2020, Distribution Of Freshwater Crayfish In Latvia, pp.
Aleksejevs, Ēriks, Birzaks, Jānis
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Published as part of Aleksejevs, Ēriks & Birzaks, Jānis, 2020, Distribution Of Freshwater Crayfish In Latvia, pp.
Aleksejevs, Ēriks, Birzaks, Jānis
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2020
Narrow-clawed crayfish Astacus leptodactylus (Eschscholtz, 1823) The distribution of narrow-clawed crayfish is mainly linked with the south-eastern region of the country and more rarely in the rest of Latvia (Bērziņš 1936, Mazītis 1955, 1967, 1971). Earlier evaluations of the distribution of this species have been quite inconsistent.
Aleksejevs, Ēriks, Birzaks, Jānis
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Narrow-clawed crayfish Astacus leptodactylus (Eschscholtz, 1823) The distribution of narrow-clawed crayfish is mainly linked with the south-eastern region of the country and more rarely in the rest of Latvia (Bērziņš 1936, Mazītis 1955, 1967, 1971). Earlier evaluations of the distribution of this species have been quite inconsistent.
Aleksejevs, Ēriks, Birzaks, Jānis
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Lipid Metabolism in Astacus astacus (L.)
Nature, 1962ALTHOUGH not all vertebrate classes have been examined with regard to lipid metabolism, it has been established that vertebrates are able to synthesize cholesterol from acetate by way of squalene. Sometimes this phenomenon has been generalized for invertebrates. However, this view has proved to be incorrect. A wide variety of insects have been found to
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Dissection of a Crayfish (Astacus astacus)
2016Availability: The crayfish is found in freshwater streams and ponds all over the world. There are about 300 species worldwide (Cambarus, Procambarus, Astacus and Orconectes). They are omnivorous, feeding on fish, tadpoles, worms, insects and plants. We can purchase fresh crayfishes from fishing companies supplying restaurants.
Péter Lőw +2 more
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Some physico-chemical properties of Astacus astacus hemocyanin
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 19811. 1. Some physico-chemical properties of freshwater crayfish Astacus astacus were established i.e. amino acid composition, terminal amino acids, isoelectric point and a number of subunits with their molecular weights. 2. 2. Glutamic acid and asparatic acid compose 25% of all amino acids. 3. 3. N-terminal amino acid is blocked. 4.
Anna Rogala, Roman Gondko
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Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1977
Abstract 1. 1. Composition of egg proteins of Astacus astacus and A. leptodactylus is compared by different methods. 2. 2. Disc electrophoresis reveals seven fractions in each case, four of them being identical in both species. 3. 3. By immunodiffusion (double diffusion test) three precipitin lines can be obtained, with one of them fusing.
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Abstract 1. 1. Composition of egg proteins of Astacus astacus and A. leptodactylus is compared by different methods. 2. 2. Disc electrophoresis reveals seven fractions in each case, four of them being identical in both species. 3. 3. By immunodiffusion (double diffusion test) three precipitin lines can be obtained, with one of them fusing.
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The cytotoxic reaction of hemocytes from the freshwater crayfish, Astacus astacus
Cellular Immunology, 1985Crayfish hemocytes displayed cytotoxic capacity towards all tested mammalian tumor and nontumor cell lines. The ratio required for the cytotoxic action of effector cells to target cells was at least 1:1. The lysis of the target cells required a minimum of 1 hr to become detected.
K, Söderhäll +3 more
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2010
The Noble Crayfish (Astacus astacus) is a widespread species, it has undergone significant declines in population numbers due to non-indigenous species, crayfish plague, habitat loss and over-harvesting. Estimates of rate of decline in Sweden, Finland and Norway are as high as 78%, ~20% and 61% respectively over a 3 generation length period.
L. EDSMAN +3 more
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The Noble Crayfish (Astacus astacus) is a widespread species, it has undergone significant declines in population numbers due to non-indigenous species, crayfish plague, habitat loss and over-harvesting. Estimates of rate of decline in Sweden, Finland and Norway are as high as 78%, ~20% and 61% respectively over a 3 generation length period.
L. EDSMAN +3 more
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