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Intestines of California sea lion (Zalophus californianus) pups (n= 204), born in 2002 on San Miguel Island, California, were examined for hookworms (Uncinaria spp.) as part of a seasonal mortality study from June through December 2002 and January 2003. The investigation was planned to coincide with most of the previously established hookworm infection period of the pups. Prevalence of hookworms in...
Uncinaria spp. were recovered from the milk of California sea lions (Zalophus californianus) collected from the: (1) teats of a cow just after parturition (one parasitic third-stage larva, L3), (2) stomach of her nursing pup (two L3), and (3) stomach of a dead pup about 2days old (one L3, one headless, probably L3, and four L4) on San Miguel Island, California in May 2001. This, in addition to earlier...