By Brian Austin, Dawn A. Austin
This thoroughly up to date 5th variation of Bacterial Fish Pathogens is a finished dialogue of the organic facets of the micro organism which reason sickness in farmed and wild fish. because the 4th version was once released in 2007, there was an upturn within the software of molecular ways to taxonomy, analysis and vaccine improvement. New pathogens, e.g. Aeromonas schubertii, were defined. additionally, there was the emergence of ailments as a result of micro organism that have no longer been cultured, and that have been equated with new taxa, i.e. ‘Candidatus’. attention is given to the entire bacterial fish pathogens, together with fundamental pathogens and opportunists.
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Extra resources for Bacterial Fish Pathogens: Disease of Farmed and Wild Fish
Ranae’, Myc. salmoniphilum, Myc. shottsii, Myc. scrofulaceum, Myc. simiae, Myc. smegmatis, Myc. ulcerans) Salmonids Host range Septicaemia; bacillary necrosis Bacterial kidney disease (BKD; Dee disease; corynebacterial kidney disease) Disease Bacillus spp. 1 (continued) Pathogen worldwide England USA England Poland Poland, USA USA Nigeria, Vietnam Europe, Japan, North and South America Geographical distribution 6 1 Introduction Salmonids Silver carp (Hypophthalmichthys molitrix) Gilthead sea bream (Sparus aurata), red sea bream (Chrysophrus major), yellowtail (Seriola quinqueradiata) Rainbow trout Elvers – Eye disease – Ulcerations – – Septicaemia Haemorrhagic septicaemia, motile aeromonas septicaemia, redsore disease, fin rot – Furunculosis, carp erythrodermatitis, ulcer disease Staphylococcus epidermidis Staphylococcus warneri Gram-Negative Bacteria Aeromonadaceae representatives Aeromonas allosaccharophila Aeromonas bestiarum Aeromonas caviae Aeromonas hydrophila (= Aer.
However, it was readily admitted that mortalities could not be directly attributed to the lactobacillus “pathogen”. The subsequent report of Cone (1982) indicated that the condition was stress mediated, insofar as it was recognised mostly in post-spawning fish. In these specimens, there was an accumulation of ascitic fluid in the peritoneal cavity, and extensive damage in the liver, kidney and spleen. Fin rot and other external signs of disease were absent. However, petechial haemorrhages in the muscle and hyperaemic air bladder were observed in some fish.
Bestiarum ...................................................... Erosion and haemorrhaging of the mouth of a ghost carp. The aetiological causal agent was Aer. bestiarum ............................ , possibly Aer. hydrophila ................................. 120 122 122 123 123 125 xxxi xxxii Fig. 7 Fig. 8 Fig. 9 Fig. 10 Fig. 11 Fig. 12 Fig. 13 Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. , possible Aer. hydrophila.................................................................