Characterization and Distribution of Isospora sabiai N. SP. (Apicomplexa: Eimeriidae) from Thrushes Turdus spp. (Passeriformes: Turdidae) from Brazil.

A new coccidian species (Protozoa: Apicomplexa: Isospora) is described parasitizing white-necked thrushes Turdus albicollis Vieillot, 1818; rufous-bellied thrushes Turdus rufiventris Vieillot, 1818; pale-breasted thrushes Turdus leucomelas Vieillot, 1818; and yellow-legged thrushes Turdus flavipes Vieillot, 1818 from 3 different localities in Brazil. Isospora sabiai n. sp.

Characterisation of Isospora lusitanensis n. sp. (Apicomplexa: Eimeriidae) from the Eurasian blackbird Turdus merula Linnaeus (Passeriformes: Turdidae) in mainland Portugal.

A new coccidian species (Protozoa: Apicomplexa: Eimeriidae) is described from a specimen of the Eurasian blackbird Turdus merula Linnaeus held for rehabilitation and reintroduction into the wild in a centre for research and recovery of wild animals in Quinta de Marim, Olhão, Portugal. Isospora lusitanensis n. sp.

Isospora massardi sp. nov. (Apicomplexa: Eimeriidae) from the white-necked thrush Turdus albicollis (Passeriformes: Turdidae) from Brazil.

A new coccidian species (Protozoa: Apicomplexa: Eimeriidae) are reported from the white-necked thrush Turdus albicollis Vieillot, 1818, a very common species in South America. Isospora massardi sp. nov.

Prevalence of parasites in soil and dog feces according to diagnostic tests.

The objective of this study was to determine the prevalence of parasites in soil and dog feces according to diagnostic tests. We studied soil from 25 public squares in Seropédica, Brazil. Five samples of soil were collected from each square.

[Prevalence of antibodies anti-Toxoplasma gondii in slaughtered cattle at stockyards in the State of Bahia, Brazil].

Serum samples of 600 slaughtered cattle from Ilhéus and Itabuna Municipal slaughterhouse and Jequié Federal slaughterhouse, all of them located in the State of Bahia were screened using an indirect immunofluorescent antibody test against Toxoplasma gondii. Prevalence was 11.83% (71), and positive samples were distributed as 19.

Aflatoxin effect on the oocysts morphometry and contribution on the morphology of Eimeria bateri Bhatia, Pandey and Pande, 1965 of the Japanese quail Coturnix japonica in Brazil.

The purpose of this study was to characterize Eimeria bateri oocysts and to evaluate the aflatoxin effect in the morphometry of sporulated oocysts in Japanese quails infected naturally. Of a total of 50 quails naturally infected by E. bateri were randomly divided into two groups with 25 birds each.

Contribution on the study of Isospora hemidactyli Carini, 1936 and a report of an adeleid pseudoparasite of the house gecko Hemidactylus mabouia, from the Rio de Janeiro Metropolitan Region, Brazil.

A description of the coccidium Isospora hemidactyli from the house gecko Hemidactylus mabouia, a very common at dwellings in Rio de Janeiro Metropolitan Region, was made in this study. Histograms and linear regression were made for this species and determined the homogeneity of these oocysts despite of large range. Besides it, polysporocystid oocysts also were recovered from feces of the H.

[Evaluation of different diagnostic techniques for oocysts of Cryptosporidium baileyi in broiler chickens (Gallus gallus domesticus) fecal samples].

The objective of this work is to evaluate different diagnostic techniques for Cryptosporidium baileyi oocysts in broiler chickens fecal samples infected naturally. So 90 samples were collected and conditioned in bottles with 10% formaline and submitted to Sheater s technique in bright field. Besides it, duplicate smears of the same samples were stained by safranin-methylene blue and modified Ziehl-Neelsen.

Sarcocystis lindsayi-like (Apicomplexa: Sarcocystinae) of the opossum (Didelphis aurita) from Southeastern Brazil.

Sporocysts of Sarcocystis were obtained from intestinal scrapings of three out of five opossums (Didelphis aurita) trapped in the southeastern region, of the State of Rio de Janeiro, Brazil. Fifteen caged budgerigars (Melopsittacus undulatus) received, orally, twenty-six sporocysts in 500 mL PBS, but only five belonging to one of the groups developed clinical signs, that consisted of anorexia, lethargy, ruffled feathers and dyspnoea, and parasitism in tissues. Two of the five budgerigars died on the 25th and 29th days after infection (DAI).

[Evaluation of small intestine and mesenteric lymph nodes of dogs (Canis familiaris) experimentally infected by Sarcocystis cruzi (Hasselman, 1923) Wenyon, 1926 (Apicomplexa: Sarcocystidae)].

Species of the genus Sarcocystis are considered as important parasites of domestic animals. Dogs are considered as definitive host for a variety species of Sarcocystis, when they fed on intermediated host tissues cysts shed sporocysts in their feces. Grinded bovine cardiac muscles, positive for Sarcocystis cruzi was given to two puppies free of coccidia.

First report of Tyzzeria parvula (Kotlán, 1933) Klimes, 1963 (Apicomplexa: Eimeriidae), in swan goose Anser cygnoides L., 1758, in Brazil.

This is the first description of Tyzzeria parvula from the swan goose (Anser cygnoides) in the State of Rio de Janeiro, Brazil. Fecal samples were collected from 15 swan geese, but only four of them shed oocysts in feces. After sporulation, the oocysts were spherical to sub-spherical, and measured 12.

[Relationship between companion animals and intestinal parasites in children at municipality of Seropédica, RJ].

Several parasitic zoonoses are associated to the human and companion animals, mainly dogs and cats. The present work aimed to analyze the relationship of parasites in children at the Center of Integral Attention to the Child Paulo Dacorso Filho and their companion animals where to verify the relationship of positive children for some parasites, which got in contact with infected animals. In a total of 64 fecal samples, they were consisted by 46 childrens fecal samples and 21 of their companion animals, being 18 from dogs and 3 from cats.

Eimeria divinolimai sp. n. (Apicomplexa: Eimeriidae) in the rufous casiornis Casiornis rufus Vieillot, 1816 (Passeriformes: Tyrannidae) in Brazil.

Eimeria divinolimai sp. n. from the rufous casiornis, Casiornis rufus (Passeriformes: Tyrannidae) was described in Brazil.

Isospora vanriperorum Levine, 1982 (Apicomplexa: Eimeriidae) in the green-winged saltator, Saltator similis (Passeriformes: Cardinalinae) in southeastern Brazil.

Isospora vanriperorum from the green-winged saltator (Saltator similis) is described in Southeastern Brazil. Oocysts are spherical to subspherical, 19.4-26 by 18.

Tyzzeria parvula (Kotlan, 1933) Klimes, 1963 (Apicomplexa: Eimeriidae) in the greylag goose (Anser anser Linnaeus, 1758) in southeastern Brazil.

Tyzzeria parvula from the greylag goose (Anser anser) is described in Southeastern Brazil. Oocysts are spherical to subspherical ranging from 12.4-180 to 10.

Eimeria auritanensis n. sp. and E. gambai Carini, 1938 (Apicomplexa: Eimeriidae) from the opossum Didelphis aurita Wied-Newied, 1826 (Marsupialia: Didelphidae) from southeastern Brazil.

Two eimerid species are described from the opossum Didelphis aurita from southeastern Brazil. Eimeria auritanensis n. sp.

Hypnozoites of Cystoisospora Frankel, 1977 (Apicomplexa: Cystoisosporinae) in Mongolian gerbil lymph nodes and their transmission to cats free of coccidia.

Nine Mongolian gerbils (Meriones unguiculatus) were fed with 5.6 x 10(5) Cystoisospora sporulated oocysts orally. After 28 days post inoculation (DPI) four animals were euthanized, and their mesenteric lymph nodes were removed and they were submitted to peptic digestion technique and samples of them were submitted to transmission electron microscopy for hypnozoites identification.

[The effect of betain on biology and morphology of developmental stages of Eimeria acervulina in broiler chicks experimentally infected].

Purposing to investigate the betaine effect on biology and morphology of developmental stages of Eimeria acervulina, 420 broiler chicks Cobb were experimentally inoculated with 2 x 10(5) sporulated oocysts and housed in battery cages in a block design with five treatments and six replicates each, including a positive control, a group treated with salinomycin and growth promoter plus three levels of betaine as additive in the feed at 0.05, 0.10 and 0.

[Clinical findings observed in rabbits, meat type, infected experimentally by Cystoisospora felis (Wenyon, 1923) Frenkel, 1977 (Apicomplexa: Cystoisosporinae)].

Twenty four rabbits type meat, cross-breed of White New Zealand and California, of both sexes, with age of 58 days old, and average weight of 1,586 g were used. Than, they were divided in three groups of eight rabbits each. The first group was inoculated orally, in two serial days, with 10(6) sporulated oocysts of Cystoisospora felis per animal, second group was considered per feed, and thirty group was left as control.

[Toxoplasma gondii in brains of pigs commercialized at the Municipality of Campos dos Goytacazes in the State of Rio de Janeiro, Brazil].

Brain samples of 12 pigs commercialized for food consumption at the Municipality of Campos dos Goytacazes in the State of Rio de Janeiro were examined for the presence of Toxoplasma gondii. Brain sample of each pig was grinded and submitted to peptic digestion. One ml of the homogenate of each sample was inoculated in three albino mice, and this procedure was repeated 24 hours later.

[Prevalence of anti-Toxoplasma gondii antibodies in dairy cattle from Sul Fluminense Paraíba Valley, State of Rio de Janeiro].

A survey of toxoplasmosis in cattle from Sul Fluminense Paraiba Valley micro region in the State of Rio de Janeiro was realized, where serum samples were collected from 589 animals of 29 dairy farms located at municipalities of Resende and Rio Claro. Serology was performed by using indirect immune fluorescent test (IFAT), and considering as positive to Toxoplasma gondii titles > or = 64. Results found in both municipalities were 14.

[Experimental transmission of Cryptosporidium baileyi (Apicomplexa: Cryptosporidiidae) isolated of broiler chicken to Japanese quail (Coturnix japonica)].

In this work, oocysts of Cryptosporidium baileyi were isolated and identified in broiler chickens from three different Municipalities of the State of Rio de Janeiro, where they were isolated and identified by using the centrifuge- flotation technique associated to bright-field. Staining techniques, such as: modified Ziehl-Neelsen and safranin-methylene blue, were carried out to confirm natural infection. Oocysts of C.

[Lesions in cross-breed pregnant cows, experimentally infected with Sarcocystis cruzi (Hasselmann, 1923) Wenyon, 1926 (Apicomplexa: Sarcocytidae)].

To identify pathologic alterations, sixteen cows, in the last 3 months of gestation, all cross-breed, Holstein x Zebu, serum positive for Sarcocystis, were selected and divided into four groups of four animals each. The first group was considered as control and the other three groups were experimentally infected with 1x10(4) (2nd group), 5x10(4) (3rd group) and 1x10(5) (4th group) sporocysts obtained from dog's feces. The gross lesions in the cows were consisted of pale mucous membranes, paleness of the skeletal striated muscle and enlargement of lymph nodes, heart, liver, spleen and lungs.