gastrointestinal helminths of the mexican duck, anas platyrhynchos diazi ridgway, from north central mexico and southwestern united states.twenty-five species of helminths, recovered from the gastrointestinal tracts of 129 mexican ducks from mexico and the united states, were all new host records. the species included: echinoparyphium recurvatum, echinostoma revolutum, hypoderaeum conoideum, notocotylus attenuatus, prosthogonimus cuneatus, zygocotyle lunata, anomotaenia ciliata, cloacotaenia megalops, diorchis bulbodes, diorchis sp., drepanidotaenia lanceolata, echinocotyle rosseteri, fimbriaria fasciolaris, fimbriarioides sp., hym ...19863951061
the epizootiology of anatid herpesvirus 1 infection in free-flying waterfowl: a comparison of latent and active infections among native waterfowl, captive-reared released ducks, and peridomestic or feral ducks.the epizootiology of anatid herpesvirus 1 (ahv-1) infection in waterfowl is poorly understood but apparently involves persistence of the virus in latently infected birds. epornitics have often occurred in captive waterfowl or semiwild ducks in parklike settings, and many wildlife professionals conclude that such ducks may be the source of infection for wild waterfowl. we assessed the prevalence of latent infection and viral shedding from four groups of waterfowl: naturally occurring populations ...201323778596
tetrameres (petrowimeres) striata in ducks.tetrameres (petrowimeres) striata is an uncommon and incompletely described nematode from north american and eurasian waterfowl. specimens collected from mallards (anas platyrhynchos) from the playa lakes region (plr) in western texas (usa), the mottled duck (a. platyrhynchos fulvigula) in florida (usa), the mallard in the amur river basin of eastern russia and the blue-winged teal (anas discors) from western texas (usa) provide the basis for redescription of t. (p.) striata. this species is dif ...19947933277
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