Dermatobiosis in Panthera onca: first description and multinomial logistic regression to estimate and predict parasitism in captured wild animals / Dermatobiose em Panthera onca: primeira descrição e regressão logística multinomial para estimar e prever o parasitismo em animais selvagens capturados
May-Junior, Joares Adenilson; Laboratório de Protozoologia e Rickettsioses VetoriaisFagundes-Moreira, Renata; Souza, Vinícius Baggio de; Setor de Patologia VeterináriaAlmeida, Bruno Albuquerque de; Haberfeld, Mario B.; Sartorelo, Leonardo R.; Ranpim, Lilian Elaine; Fragoso, Carlos Eduardo; Laboratório de Protozoologia e Rickettsioses VetoriaisSoares, João Fabio.
Rev. bras. parasitol. vet
; 30(1): e023820, 2021. tab, graf
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en Inglés
| LILACS | ID: biblio-1156220
Abstract Dermatobia hominis is a parasite widely distributed in neotropical regions. The parasitic phase of the cycle is characterized by the formation of a subcutaneous nodule in the host, which can promote infestation by other dipterans and skin infections. The aim of this report is to register parasitism by D. hominis in free-ranging Panthera onca captured in the Brazilian wetland and to determine significant biological and meteorological factors that are likely to influence the presence of larval parasitism in captured wild jaguars. Between 2011 to 2020, 34 jaguars were captured and examined manually by searching for lesions characteristic of myiasis. By manual compression in the subcutaneous nodules, larvae morphologically identified as D. hominis (first and third instars) were collected from 13 jaguars. A multinomial logistic regression showed that adult jaguars had 16.49-fold higher odds of being parasitized than subadults. Thus, jaguars captured in the season of July-September have 34.01- and 11.42-fold higher odds of being parasitized compared to the seasons of October-December and April-June, respectively, which is associated with high total monthly precipitation in the previous season. The present study is the first to describe parasitism by D. hominis larvae in jaguars.
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