Evidence of the role of free-living birds as disseminators of Salmonella spp.
2020
Beleza,Antonio Jackson Forte | Maciel,William Cardoso | Lopes,Elisângela de Souza | Albuquerque,Átilla Holanda de | Carreira,Arianne Silva | Nogueira,Carlos Henrique Guedes | Bandeira,Jéssica de Melo | Vasconcelos,Ruben Horn | Teixeira,Régis Siqueira de Castro
ABSTRACT This study aimed to review aspects of Salmonella spp. in free-living birds and their potential as disseminators for domestic animals, man, and the environment. Isolation of Salmonella spp. have been reported in several species of wild birds from Passeridae and Fringillidae, among other avian families, captured in countries of North America and Europe, where Salmonella ser. Typhimurium is the most frequently reported serotype. The presence of pathogens, including Salmonella, may be influenced by several factors, such as diet, environment, exposure to antibiotics, infection by pathogenic organisms and migration patterns. Researches with wild birds that live in urbanized environment are important, considering that birds may participate in the transmission of zoonotic pathogens, which are more prevalent in cities due to the human activity. Based on the information collected, this article concludes that wild birds are still important disseminators of pathogens in several geographic regions and may affect man, domestic animals, and other birds.
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