Data/hora: 18/05/2024 14:55:01

Provedor de dados: 	74	
País: 	Brazil	
Título: 	A comparison of the hygienic response of Africanized and European (Apis mellifera carnica) honey bees to Varroa-infested brood in tropical Brazil	
Autores: 	Aumeier,Pia; Rosenkranz,Peter; Gonçalves,Lionel Segui.	
Data: 	2000-12-01	
Ano: 	2000	
Resumo: 	In order to examine the significance of hygienic behavior for the tolerance to varroosis of Africanized honey bees, they were compared with non-tolerant Carniolans in tropical Brazil. Capped worker brood cells were artificially infested with living Varroa mites, and inspected some days later. Uncapping, disappearance of the introduced mite and removal of the pupa were recorded in a total of manipulated 3,096 cells during three summer seasons. The hygienic response varied between Africanized and Carniolan colonies, but this difference was significant only in one year, during which Africanized honey bees removed a significantly greater proportion of Varroa mites than European honey bees. A high proportion of the mites disappeared from artificially infested brood cells without damage to the pupae. The opening of the cell and the removal of the bee brood are independent traits of a graded response by adult workers towards mite-infested brood cells. We found a higher between-colony variation in the reaction towards Varroa-infested brood of Africanized honey bees compared to Carniolans. The overall similar response of the two bee types indicates that hygienic behavior is not a key factor in the tolerance to varroosis of Africanized bees in Brazil.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572000000400013	
Editor: 	Sociedade Brasileira de Genética	
Relação: 	10.1590/S1415-47572000000400013	
Formato: 	text/html	
Fonte: 	Genetics and Molecular Biology  v.23 n.4 2000	
Fonte: 	info:eu-repo/semantics/openAccess