Levantamento qualitativo de gêneros de parasitos em amostras fecais de jacarés criados comercialmente em sistema fechado no estado do Rio de Janeiro

Batista, André Mariano; Pereira, Maria Angélica Vieira da Costa; Vita, Gilmar Ferreira; Barbosa, Celso Guimarães; Antonio, Isabela M. Silva; Barros, S. C. W.; Magalhães, Alex R.; Freitas, Juliana Pereira de

doi:10.1590/s0100-736x2012001000018

Cited by 4 publications

(3 citation statements)

References 16 publications

(17 reference statements)

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“…Parasite eggs are the most common evidence of parasitic interaction with vertebrates (Fugassa et al, 2006;Poinar and Boucot, 2006;Dentzien-Dias et al, 2013;Wood et al, 2013;Da Silva et al, 2014;Hugot et al, 2014;Zatoń and Rakociński, 2014;Bajdek et al, 2016). Helminth infestation on the gastrointestinal tract is common in crocodiles (Moravec, 2001;Batista et al, 2012). The egg found in the M3 coprolite is similar in size and morphology to a nematode egg (see examples in Moravec, 2001).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Paleoecological and taphonomical aspects of the Late Miocene vertebrate coprolites (Urumaco Formation) of Venezuela

Dentzien‐Dias

Carrillo-Briceño

Francischini

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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Coprolites (fossil feces) provide important paleoecological information, such as diet of the producer, parasite infestation and gut microbiota, which cannot be accessed through body remains. The Late Miocene Urumaco Formation, in western Venezuela, has a diverse vertebrate fauna composed of ground sloths, rodents, reptiles, fishes and amphibians, as well as coprolites. Here we describe 106 coprolites produced by a range of carnivorous and herbivorous vertebrates, classified into five different morphotypes based on their size and shape, suggesting different producers. Herbivorous morphotypes (M1, M2 and M5) are the most abundant (59%). The most common inclusions in these coprolites are Poacea remains, although Eudicotyledoneae fragments, bacteria and cyanobacteria filaments were also found. The M1 morphotype is a bullet shape with longitudinal grooves; the M2 morphotype is round to oval, with at least one distinctive tapered end; and the M5 morphotype is a short cylinder with a rough surface, and rounded ends. In contrast, the morphotypes M3 and M4 are attributed by us to carnivores and have different inclusions. While M3 is a large cylinder with rounded ends and contains bacteria, nematode eggs and phytoliths, M4 is sausage-shaped and has muscle cells preserved inside. Based on the co-occurring fauna and the morphology of the coprolites, the probable producers were inferred as the following: M1, a rodent; M2, a notoungulate; M3, a crocodilian; M4, an indeterminate carnivore; and M5, a sirenian. The preservation of herbivorous and carnivorous coprolites with bacterial, parasitological and muscle remains in the same formation and even the same outcrop is rare in the geological record. This unique association and preservation suggests early lithification promoted by rapid burial, although the presence of the boring trace Gastrochaenolites in a single specimen indicates some degree of time-averaging.

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Section: Accepted Manuscriptmentioning

confidence: 99%

Paleoecological and taphonomical aspects of the Late Miocene vertebrate coprolites (Urumaco Formation) of Venezuela

Dentzien‐Dias

Carrillo-Briceño

Francischini

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…and Balantidium spp., Capillaria spp., Dujardinascaris spp., and Strongyloides spp. (Batista et al, 2011;Batista et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Primer reporte de Pseudotelorchis yacarei Catto & Amato, 1993 (Telorchiidae) en Caiman latirostris (daudin, 1802) (Alligatoridae) en Brasil

Rondon Werneck,

Quadros Menezes,

Paulino Alvarenga

et al. 2023

Neotrop Helminthol

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Caiman latirostris (Daudin, 1802) es encontrada en América del Sur, donde su distribución geográfica se extiende hasta Uruguay. Existe muy poca información en la literatura sobre los helmintos en C. latirostris, por lo tanto, el presente estudio reporta la primera aparición de Pseudotelorchis yacarei Catto & Amato, 1993 en estos animales. Fueron recolectados seis individuos jóvenes y juveniles de C. Latirostris en Caravelas, Bahía, Brasil. Fue realizada la necropsia de los animales y siendo evaluados sus tractos digestivos para análisis posteriores. En el estómago e intestino delgado de cinco de los seis hospederos analizados fueron recolectados 16 ejemplares de P. yacarei, con una prevalencia de un 83 % para la muestra. Por lo tanto, este estudio presenta al Caimán de hocico ancho como un nuevo hospedero de P. yacarei.

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“…The identification of parasites in feces is routinely performed by various diagnostic techniques (BATISTA et al, 2012). This diagnosis should aim at high sensitivity (correct diagnosis in relation to the truly infected animals), since the specific treatment of the animal depends on these conditions (BRANDÃO et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of parasitological diagnosis methods in wild animals kept in captivity

et al. 2018

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Parasitic diseases are common in wild animals kept in captivity, and the research of these parasites is a tool used in wildlife management actions. Once the method most used in the practice of veterinary laboratories is the direct examination, it was considered appropriate to report the parasitism in captivity wildlife comparing this technique with modified methods of Hoffman, Pons and Janer (HPJ) and Willis. Fresh feces were surveyed in eleven precincts with specimens of the class Reptilia, Birds and Mammalia. A positive result for the presence of parasites was observed in 81.8% of them, of which 18.2% were, 9.1% helminths and 54.6% protozoa and helminths simultaneously. The direct and HPJ methods were more specific for the identification of parasites, 72.7 and 63.6%, respectively, while the method of Willis showed less positive results (36.4%). It is concluded that the ideal routine in veterinary laboratory fecal examinations of wild animals is to use the HPJ method associated with the direct method for the detection of protozoa and/or helminths, in order to obtain more accurate results.

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Levantamento qualitativo de gêneros de parasitos em amostras fecais de jacarés criados comercialmente em sistema fechado no estado do Rio de Janeiro

Cited by 4 publications

References 16 publications

Paleoecological and taphonomical aspects of the Late Miocene vertebrate coprolites (Urumaco Formation) of Venezuela

Paleoecological and taphonomical aspects of the Late Miocene vertebrate coprolites (Urumaco Formation) of Venezuela

Primer reporte de Pseudotelorchis yacarei Catto & Amato, 1993 (Telorchiidae) en Caiman latirostris (daudin, 1802) (Alligatoridae) en Brasil

Efficacy of parasitological diagnosis methods in wild animals kept in captivity

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