Results 161 to 170 of about 8,196 (205)
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On electrical fishing for brown shrimp (Crangon crangon)
Fisheries Research, 2005Hans Polet +2 more
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A tumorlike papilliform growth in the brown shrimp (Penaeus aztecus)
Journal of Invertebrate Pathology, 1973Abstract A brown shrimp, Penaeus aztecus, from an experimental pond of the Texas Parks and Wildlife Department's Marine Laboratory at Palacios, Texas, possessed a papilliform tumorlike growth on the right ventrolateral aspect of the sixth abdominal segment. Gross and histological study revealed the lesion to be confluent with the carapace, epidermis,
A K, Sparks, D V, Lightner
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A morphological study on gills of the brown shrimp, Penaeus aztecus
Tissue and Cell, 1978The gills of Penaeus aztecus were examined by light and electron microscopy. They are dendrobranchiate, consisting of a central axis with biserially arranged branches that subdivide into bifurcating filaments. A septum divides the lumina of these structures into afferent and efferent channels. Hemolymph from the sternal sinus flows through the afferent
C A, Foster, H D, Howse
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Reducing discards of North Sea brown shrimp (C. crangon) by trawl modification
Fisheries Research, 2004Abstract The discarding of small (non-marketable) brown shrimp (Crangon crangon) in the North Sea brown shrimp fisheries is substantial in magnitude (circa 27,000 t/75 billion individuals annually). This work assessed the efficacy of various trawl modifications aimed at reducing small shrimp discarding. Changes to the mesh size of the codend (i.e. 16,
René Holst
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Activation of the prophenoloxidase system of the brown shrimp Penaeus californiensis Holmes)
Comparative Biochemistry and Physiology C, Comparative Pharmacology and Toxicology, 1996Abstract The prophenoloxidase (proPO) system of the brown shrimp Penaeus californiensis was activated using different preparations and inductors. In shrimp, this system is confined inside the hemocytes and can be obtained by lysing or centrifuging the cells.
FRANCISCO Vargas-Albores
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Gas-bubble disease in the brown shrimp (Penaeus aztecus)
Aquaculture, 1974Abstract Gas-bubble disease in larval and juvenile brown shrimp (Penaeus aztecus) is described. Stage II protozoeal, larval brown shrimp developed the disease after being placed in water warmed in a closed heater that did not allow excess gas to escape.
D.V. Lightner, B.R. Salser, R.S. Wheeler
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Characterization of brown spot disease of gulf coast shrimp
Journal of Invertebrate Pathology, 1980Abstract Adult penaeid shrimp were collected from mariculture raceways, holding tanks, and near-shore waters of Galveston Island, Texas. Those with darkly pigmented lesions were chosen for study. When observed by scanning electron microscopy, diseased cuticle shows dense populations of bacteria within a lesion, whereas normal cuticle shows a ...
Cipriani, G.R. +2 more
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The seasonal migration of the brown shrimp crangon crangon
Netherlands Journal of Sea Research, 1976Abstract Autumn-winter and spring migration of the brown shrimp are highly flexible processes in time, duration, distance and participation. Relative differences in the water temperature cause migration. The sensitiveness for this kind of stimuli varies for different categories of shrimps; berried females are on average more sensitive than non ...
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Hypoxia does not promote naphthalene bioaccumulation in the brown shrimp, Penaeus aztecus
Marine Pollution Bulletin, 2008Since increased ventilation is known to be a common strategy used by aquatic animals to cope with hypoxia, we tested in present study the hypothesis that hypoxia can promote the bioaccumulation of naphthalene, a representative polycyclic aromatic hydrocarbon (PAH), in Penaeus aztecus, a penaeid shrimp subject to hypoxia and PAH contamination in the ...
Rongzhong, Ye, Enmin, Zou
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Presence and significance of lithium in the brown shrimp, Crangon crangon (L.)
Comparative Biochemistry and Physiology Part A: Physiology, 19881. In female (non-ovigerous and ovigerous) brown shrimps, Crangon crangon, whole animal lithium levels are about 20% higher than in males, which indicates that lithium has a special function in the female reproductive system. 2. Decreasing lithium levels in larger males suggest that with males a substantial part of the lithium present may be passively ...
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