Banca de DEFESA: MILENA FERRARINI DA SILVA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : MILENA FERRARINI DA SILVA
DATE: 30/07/2021
TIME: 09:00
LOCAL: Webconferência via Google Meet - meet.google.com/mum-wtod-fqm
TITLE:

Parasites in wild animals in the northern region of Santa Catarina.

KEY WORDS:

Birds; ectoparasites; gastrointestinal parasites; hemoparasites; mammalia.

PAGES: 45
BIG AREA: Ciências Agrárias
AREA: Medicina Veterinária
SUMMARY:

The recurrent destruction and fragmentation of the Atlantic Forest biome by anthropization, pollution and overexploitation of natural resources predisposes the contact between wild, domestic animals and humans. This larger proximity between species favors the spread of pathogens and cause economic and health impact. The aim of the present study was to identify the parasites and parasitic structures found in wild free-living animals in the northern region of Santa Catarina and the relationship between the parasites and the health status of wild hosts. For the identification of the parasites, were collected samples of feces, blood and ectoparasites from wild animals, sent to a veterinary clinic for clinical care, and stool tests, blood smears and identification of ectoparasites were performed.. Biological samples were collected from 87 wild animals (58 birds and 29 mammals), 49 animals (56%) showed some type of parasitism. In the bird class, 37 individuals (63.8%) had positive parasitological tests, and 12 mammals were parasitized (41.4%). Birds had a higher incidence of infestation by ectoparasites (46.5%) and mammals had gastrointestinal infections (38%). Malophagous lice and flies of the Hipoboscidade family were responsible for the highest levels of infestation in birds. Ixodid ticks were found parasitizing black-eared skunks (Didelphis aurita), Crab-eating Fox (Cerdocyon thous) and a young capybara (Hydrochoerus hydrochaeris). There was a predominance of gastrointestinal infections by coccidia in birds with omnivorous, frugivorous and granivorous feeding habits, which, due to their behavior of feeding and defecating in the same place, are more prone to these infections. It was identified in an individual of the species Egretta thula (small white heron) metacercariae of Clinostomum complanatum in its oral cavity, which is a parasite of public health importance, as they parasitize some fish species and can be transmitted to humans through intake of raw fish. In synanthropic animals, black-eared skunk (Didelphis aurita) and black-tufted marmoset (Callithrix penicilata), and in Crab-eating Fox (Cerdocyon thous) were identified gastrointestinal parasites commonly founded in domestic animals such as Toxocara canis, Ancylostoma sp. and Trichuris vulpis, which can show the approximation between domestic and wild species. In the blood samples of birds, parasitism by Haemoprotheus sp. was identified, where all individuals were parasitized by flies of the Hipoboscidae family, these being possible vectors of hemoparasites. The wild animals of the northern region of Santa Catarina showed a diversity of parasites and it was possible to show that studies with wild fauna allow us to understand the behavior of species, their eating habits and their ability to adapt to changes in their natural environment.

BANKING MEMBERS:
Externo à Instituição - ALEXANDRE DE OLIVEIRA TAVELA - UFSC
Presidente - 2101600 - ANA CAROLINA GONCALVES DOS REIS
Interna - 2277465 - FABIANA MOREIRA
Externo à Instituição - ROGERIO RIBAS LANGE - UFPR