Bacteriology
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Bacteriology
- Small Unicellular Organisms
- Can be grown in nutrient enriched environments (Agar, Broth)
- Standard Medias:
Tryptic Soy Agar (TSA), Brain Heart Infusion (BHI), Tryptic Yeast Extract and Salt (TYES)
Common Bacterial Fish Pathogens
- Flavobacterium psychrophilum
-Coldwater Disease
-Gram Negative Rods - Renibacterium salmoninarum
-Bacterial Kidney Disease
-Gram Positive Rod - Yersinia Ruckeri
-Enteric Red Mouth Disease
-Gram Negative Rods
- Aeromonas salmonicida
-Furunculosis
-Gram Negative Rod - Streptococcus iniae
-O –sherical shape
-Gram Postive
Aseptic Technique
- Minimizes contamination from outside sources
- Prevents work surfaces from becoming contaminated
Bacterial Isolation
- Streaking technique used to isolate individual bacterial colonies.
- Can be used to isolate colonies in pure or mixed cultures
