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Sexual disruption in roach (Rutilus rutilus) : a consequence of exposure to treated sewage effluent?Rodgers-Gray, Trevor Paul January 2000 (has links)
No description available.
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Analysis of gene expression during early development of the zebrafish, Brachydanio rerioBlader, Patrick January 1995 (has links)
No description available.
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A study of parasitic fauna of the flounder (Platichthys flesus L.) in the Tyne estuaryPattipeiluhu, Shelly M. January 1996 (has links)
No description available.
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Macroalgal domination of Caribbean coral reefs : influences of herbivores, space availability and managementWilliams, Ivor D. January 2000 (has links)
No description available.
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Comparative diplanetic developmental processes of salmonid-pathogenic and saprohytic isolates of the Saprolegina parasitica-declina complexBurr, Andrew William January 1991 (has links)
No description available.
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The monitoring and identification of Saprolegnia parasitica and its infection of salmonid fishWood, S. E. January 1988 (has links)
No description available.
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The behavioural ecology of feeding in the yellowtail snapper, Ocyurus chrysurus (Family Lutjanidae)Fallows, J. A. January 1984 (has links)
No description available.
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Comparative morphological, biochemical and immunological studies on two strains of Vibrio anguillarum pathogenic in Salmo truttaDermime, Said January 1992 (has links)
No description available.
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Comparative studies on the immune response of Salmo gairdneri and Rattus norvegicus to keyhole limpet haemocyanin and Escherichia coli lipopolysaccharide and an investigation of their interactionsSaleh, Madha M. S. January 1990 (has links)
The primary and the secondary immune responses of rainbow trout, Salmo gairdneri, and white rats, Rattus norvegicus, (Wistar strain) to keyhole limpet haemocyanin (KLH) and Escherichia coli lipopolysaccharide (LPS) have been investigated. The humoral immune responses were detected by enzyme-linked immunosorbent assay (ELISA) using urease as the conjugated enzyme. The number and time of appearance of stimulated lymphocytes were investigated by the detection of antibody-secreting cells (ASC) and antigen-binding cells (ABC) in the spleens of both species and the anterior kidneys of rainbow trout. In fish, both the humoral and lymphocyte secondary responses were significantly higher than primary responses when LPS was used as antigen but not in the case of KLH. With rats the secondary responses were significantly higher for both antigens. The two antigens were introduced into members of both species either simultaneously or sequentially. Generally, LPS had a synergistic effect on the response to KLH when it was injected at the same time. The effect was variable when the antigens were given at different times. Antigen localisation in the lymphoid tissues of both animals was investigated by the injection of live E. coli. Two techniques were used: colony counts after growth on solid agar and peroxidase anti-peroxidase (PAP) localisation of the bacteria within the tissues. The first technique was used to detect the number of live bacteria in the blood, liver, spleen and muscle of injected rats and fish as well as in the anterior kidneys of fish and the lymph nodes of rats. Generally, the spleen, liver and blood in both species and the anterior kidney in fish and the lymph node in rats were the main organs in which live bacteria were found. The rate of clearance of live bacteria was variable between and within fish and rats. The PAP technique detected the existence of both live and dead bacteria. In fish, the bacteria were localised in a diffuse pattern during the first few days after injection, but later they tended to localise in the ellipsoids of the spleens and around the melano-macrophage centres in spleens and anterior kidneys. In rats the localisation of the bacteria was less diffuse and it was concentrated mostly in the white pulp of the spleens.
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Fish calcitonins and ultimobranchial gland - a histological, immunological and physiological investigationOughterson, Susan Michelle January 1992 (has links)
No description available.
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