Vanessa Lee, DVM Sherrie Jean, DVM Doug Taylor, DVM, MS, DACLAM Prachi Sharma, DVM, PhD Emory University SEVPAC 2008 Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

History Female Group housed Unknown age Egg production Environment Sand filters Anorexia, lethargy Ulceration RF leg Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

Differential diagnosis Trauma Bacterial infection Aeromonas Flavobacterium Pseudomonas Proteus Mycobacterium Chlamydia Fungal Saprolegniasis Chromomycosis Phycomycosis Parasites Pseudocapillaroides Viral Iridovirus Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

Diagnostics CBC Neutrophils 74% (8%) Chemistry NSF Fungal culture Negative Bacterial culture Aeromonas spp. Final diagnosis: Focal, necrotizing, suppurative dermatitis with ulceration, myositis and intralesional bacteria (Aeromonas spp.) Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

Aeromonas hydrophila Gram-negative rod Clinical conditions Septicemia Skin lesions “Redleg” Acute or chronic Clinical signs Anorexia Ascites Periocular inflammation Neurologic signs Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

Aeromonas hydrophila Predisposing factors Stress Variable mortality Pathology Hepatic necrosis Splenic congestion Septic thrombosis Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only

Any questions? Presented at SEVPAC 2008 – Permission granted for use on SEVPAC website only