Publications

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discovery of three novel coccidian parasites infecting california sea lions (zalophus californianus) with evidence of sexual replication and interspecies pathogenicity.abstract enteric protozoal infection was identified in 5 stranded california sea lions (zalophus californianus). microscopically, the apical cytoplasm of distal jejunal enterocytes contained multiple stages of coccidian parasites, including schizonts with merozoites and spherical gametocytes, morphologically similar to coccidian parasites. by histopathology, organisms appeared to be confined to the intestine and accompanied by only mild enteritis. using electron microscopy, both sexual (microgam ...201121495828
diagnosis and treatment of sarcocystis neurona-induced myositis in a free-ranging california sea lion.an underweight, lethargic adult female california sea lion (zalophus californianus) became stranded along the california shore and was captured and transported to a rehabilitation hospital for assessment and care.201222256850
management of acute renal failure with delayed hypercalcemia secondary to sarcocystis neurona-induced myositis and rhabdomyolysis in a california sea lion (zalophus californianus).a 3-yr-old captive-born california sea lion (zalophus californianus) developed sarcocystis neurona-induced myositis and rhabdomyolysis that led to acute renal failure. the sea lion was successfully managed with fluid therapy, antiprotozoals, antibiotics, anti-inflammatories, antiemetics, gastroprotectants, and diuretics, but developed severe delayed hypercalcemia, a syndrome identified in humans after traumatic or exertion-induced rhabdomyolysis. treatment with calcitonin was added to the manage ...201526352981
detection and characterization of diverse coccidian protozoa shed by california sea lions.tissue-cyst forming coccidia in the family sarcocystidae are etiologic agents of protozoal encephalitis in marine mammals including the federally listed southern sea otter (enhydra lutris). california sea lions (zalophus californianus), whose coastal habitat overlaps with sea otters, are definitive hosts for coccidian protozoa provisionally named coccidia a, b and c. while coccidia a and b have unknown clinical effects on aquatic wildlife hosts, coccidia c is associated with severe protozoal dis ...201627141438
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