Acarofauna associated with organic matter in laying aviaries of different rearing systems in Brazil

Due to the high density of chickens housed within the same space in aviaries, a large volume of organic matter accumulates on the floor. This large supply of available resources allows the development of arthropods, including organisms that affect poultry productivity and health. This study aimed to...

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Veröffentlicht in:Experimental & applied acarology 2023-08, Vol.90 (3-4), p.203-217
Hauptverfasser: Pavan, Aline Marjana, Da-Costa, Tairis, Schussler, Matheus, Ferla, Noeli Juarez, Johann, Liana, Silva, Guilherme Liberato da
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Sprache:eng
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Zusammenfassung:Due to the high density of chickens housed within the same space in aviaries, a large volume of organic matter accumulates on the floor. This large supply of available resources allows the development of arthropods, including organisms that affect poultry productivity and health. This study aimed to evaluate the composition of the mite community associated with organic matter in poultry houses with different rearing systems and the verification of potential predators to be evaluated in clean management techniques, such as biological control. The study was carried out in the state of Rio Grande do Sul (Brazil) in a total of six poultry houses, two of the ‘Californian’ system (SIG) and four of the ‘cage free’ system (SIF). In total, 839,459 specimens were collected, of which 358,044 were collected from SIF and 481,415 specimens from SIG. Fifty-two species/morphospecies were found and we observed a grouping of aviaries from the same rearing model. Species of medical veterinary importance were found, such as Dermanyssus gallinae , Megninia ginglymura , Ornithonyssus sylviarum and Tyrophagus putrescentiae . The results demonstrate that the organic matter present in the aviaries harbors a high diversity of mites of medical-veterinary importance and predators, which are influenced by the rearing system.
ISSN:0168-8162
1572-9702
DOI:10.1007/s10493-023-00815-1