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3 results on '"Elis Maressa Gonçalves da Silva"'

1. Identifying the Risk Factors for Malignant Mammary Tumors in Dogs: A Retrospective Study

Author

Elis Maressa Gonçalves da Silva, Thaisa Reis dos Santos, and Marcelo José Barbosa Silva

Subjects
mammary tumors, dogs, veterinary oncology, statistical analyses, overweight, risk factors, Veterinary medicine, SF600-1100
Abstract

Mammary cancer is one of the main causes of death in female dogs worldwide, considering that many risk factors are involved in its development. This study aimed to elucidate the relationship between epidemiological and clinical risk factors with the histopathological diagnosis of malignant mammary tumors in dogs treated at the Veterinary Hospital of the Federal University of Uberlândia, which has one of the first veterinary oncology services in Brazil. A retrospective matched case-control study was conducted to identify risk factors for the development of malignant mammary tumors in dogs. The variables analyzed were size dog, breed, housing, type of diet, and body score. Potential risk factors were selected by univariate analysis (p < 0.25) before multivariate forward binary logistic regression. The most frequent benign tumor was the benign mixed tumor (35.2%), and the most frequent malignant tumor was the mixed carcinoma (27.4%). Size dog, breed, housing, and overweight are predictors of malignant mammary tumors in dogs. The highest risk of developing malignant mammary tumors is associated with large female dogs, Yorkshire or Poodle breeds, living outside the home, or being overweight.

Published
2023
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2. Efficacy of Tagetes minuta (Asteraceae) essential oil against Rhipicephalus sanguineus (Acari: Ixodidae) on infested dogs and in vitro

Author

Matias Pablo Juan Szabó, Carolina Fonseca Osava, Marcos Valério Garcia, Vinicius da Silva Rodrigues, Elis Maressa Gonçalves da Silva, Jaciara de Oliveira Jorge, and Renato Andreotti

Subjects
0301 basic medicine, Male, Nymph, Veterinary medicine, Rhipicephalus sanguineus, Rocky Mountain spotted fever, 030231 tropical medicine, Tick, Tagetes, 03 medical and health sciences, 0302 clinical medicine, food, Dogs, parasitic diseases, medicine, Oils, Volatile, Animals, Tick Control, Dog Diseases, Acaricides, Tagetes minuta, Ecology, biology, business.industry, Acaricide, General Medicine, 030108 mycology & parasitology, biology.organism_classification, medicine.disease, food.food, Biotechnology, Tick Infestations, Animal ecology, Insect Science, Larva, Female, business, Ixodidae, Brazil
Abstract

Ticks from Rhipicephalus sanguineus complex are widely distributed in the world and one species from this complex is the most common tick on dogs in Brazil, notably in urban areas. This tick is a vector of several diseases. Among others it transmits the agent of canine Ehrlichiosis, a major dog infectious disease and the agent of Rocky Mountain spotted fever. This tick can spread rapidly and develop intolerable infestations within no time. Currently tick control is done with acaricides and demand for such drugs has grown fast. However, R. sanguineus has already developed resistance to the main active compounds and the development of new acaricides is necessary. Many essential oils of plants have acaricidal effect and may be an important source of molecules for the synthesis of new acaricide products. In this study, we evaluated the effectiveness of a new herbal phytotherapic, consisting of the essential oil of Tagetes minuta L., against R. sanguineus in vitro and on dogs undergoing experimental infestations. The product displayed 100% efficacy against larvae, nymphs and adults of the tick on all tested conditions.

Published
2016

3. Efficacy of Tagetes minuta (Asteraceae) essential oil against Rhipicephalus sanguineus (Acari: Ixodidae) on infested dogs and in vitro

Author

SILVA, E. M. G. da, RODRIGUES, V. da S., JORGE, J. de O., OSAVA, C. F., JUAN SZABÓ, M. P., GARCIA, M. V., ANDREOTTI, R., ELIS MARESSA GONÇALVES DA SILVA, FMV/Universidade Federal de Uberlândia, VINICIUS DA SILVA RODRIGUES, JACIARA DE OLIVEIRA JORGE, FMV/Universidade Federal de Uberlândia, CAROLINA FONSECA OSAYA, FMV/Universidade Federal de Uberlândia, MATIAS PABLO JUAN SZABÓ, FMV/Universidade Federal de Uberlândia, MARCOS VALÉRIO GARCIA, and RENATO ANDREOTTI E SILVA, CNPGC.

Subjects
Tagetes minuta, Phytoterapics, Control, Infestations, Rhipicephalus sanguineus
Abstract

Ticks from Rhipicephalus sanguineus complex are widely distributed in the world and one species from this complex is the most common tick on dogs in Brazil, notably in urban areas. This tick is a vector of several diseases. Among others it transmits the agent of canine Ehrlichiosis, a major dog infectious disease and the agent of Rocky Mountain spotted fever. This tick can spread rapidly and develop intolerable infestations within no time. Currently tick control is done with acaricides and demand for such drugs has grown fast. However, R. sanguineus has already developed resistance to the main active compounds and the development of new acaricides is necessary. Many essential oils of plants have acaricidal effect and may be an important source of molecules for the synthesis of new acaricide products. In this study, we evaluated the effectiveness of a new herbal phytotherapic, consisting of the essential oil of Tagetes minuta L., against R. sanguineus in vitro and on dogs undergoing experimental infestations. The product displayed 100% efficacy against larvae, nymphs and adults of the tick on all tested conditions.

Published
2016

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