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Trematodes of free range reared guinea fowls (Numida meleagris Linnaeus, 1758) in the state of Rio de Janeiro, Brazil: Morphology and pathology

An investigation on the digenetic trematodes parasitizing free range reared guinea fowls was conducted in the state of Rio de Janeiro, Brazil, based on clinical examination, necropsies and…
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Prevalence and pathology of the nematode Heterakis gallinarum, the trematode Paratanaisia bragai, and the protozoan Histomonas meleagridis in the turkey, Meleagris gallopavo.

The prevalence of infection and associated pathology induced by two helminth and one protozoan species infecting Brazilian turkeys are reported and a severe inflammatory process in the liver and cecum is revealed.
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Pathology and first occurrence of the kidney trematode Paratanaisia bragai (Santos, 1934) Freitas, 1959 (Digenea: Eucotylidae) in Phasianus colchicus L., 1758, from Brazil.

The kidney trematode Paratanaisia bragai is reported for the first time parasitizing the ring-necked pheasant (Phasianus colchicus L., 1758) and the pathological alterations associated to the…
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Camallanus cotti Fujita, 1927 (Nematoda, Camallanoidea) in ornamental aquarium fishes: pathology and morphology.

The pathology induced by the nematode Camallanus cotti in the aquarium fishes Beta splendens (beta fish) and Poecilia reticulata (guppy) consisted of gross and microscopic lesions, the former…
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Capillariid nematodes in Brazilian turkeys, Meleagris gallopavo (Galliformes, Phasianidae): pathology induced by Baruscapillaria obsignata and Eucoleus annulatus (Trichinelloidea, Capillariidae).

The pathology induced in turkeys by two capillariid nematodes, Baruscapillaria obsignata and Eucoleus annulatus, is described together with data on prevalences, mean infection and range of worm burdens.
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Systematic and pathologic study of Paratanaisia bragai (Santos, 1934) Freitas, 1959 (Digenea, Eucotylidae) infestation in ruddy ground dove Columbina talpacoti (Temminck, 1811)

This is the first report of the digenetic trematode Paratanaisia bragai infestation in a ruddy ground dove Columbina talpacoti, captured in a suburban area of Rio de Janeiro, Brazil. Although with a…
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Tissue alterations in the pirarucu, Arapaima gigas, infected by Goezia spinulosa (Nematoda).

This is the first report of tissue lesion occurrences in this host, in the presence of G. spinulosa, and it confirms the high pathogenicity of this parasite species.
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Pathology and first report of natural infections of the eye trematode Philophthalmus lachrymosus Braun, 1902 (Digenea, Philophthalmidae) in a non-human mammalian host.

The avian eye trematode Philophthalmus lachrymosus Braun, 1902 is for the first time referred naturally occurring in a non-human mammalian host and new morphometric data on the parasite are presented.
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Trichurid nematodes in ring-necked pheasants from backyard flocks of the State of Rio de Janeiro, Brazil: frequency and pathology.

The microscopic lesions revealed chronic esophagitis with diffuse inflammatory process in the lamina propria characterized mostly by a mononuclear cell infiltrate and also with the presence of granulocytes, and the gross lesions were absent in the pheasants parasitized with E. annulatus and B. phasianina.
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Pathology and frequency of Cheilospirura hamulosa (Nematoda, Acuarioidea) in Galliformes hosts from backyard flocks

The lesions induced by C. hamulosa were severe in the two species of investigated hosts, causing severe gross lesions in the gizzard such as haemorrhages, ulcers and thickening of the mucosa and cuticle, and single yellowish nodules on the caudoventral muscle.
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