Data/hora: 01/09/2024 02:45:39

Biblioteca(s): 	Embrapa Gado de Leite.	
Data corrente: 	17/06/2013	
Data da última atualização: 	09/02/2024	
Autoria: 	PINNA, A.; MARTINS, G.; SOUZA, G. N. de; LILENBAUM, W.	
Afiliação: 	A. PINNA, UFF; G. MARTINS, UFF; GUILHERME NUNES DE SOUZA, CNPGL; W. LILENBAUM, UFF.	
Título: 	Influence of Seroreactivity to Leptospira and reproductive failures in recipient mares of equine embryo transfer programmes.	
Ano de publicação: 	2013	
Fonte/Imprenta: 	Reproduction in Domestic Animals, v. 48, n. 4, e55-e57, 2013.	
DOI: 	https://doi.org/10.1111/rda.12166	
Idioma: 	Inglês	
Notas: 	Disponível em: <http://onlinelibrary.wiley.com/doi/10.1111/rda.12166/pdf>	
Conteúdo: 	The aim of this study was to demonstrate that seroreactivity against Leptospira is significantly associated to the reproductive efficiency of recipient mares of an embryo transfer (ET) programme. A serosurvey was conducted from August 2007 to March 2009 in five herds from Rio de Janeiro, Brazil, with high rates of reproductive failure, as early embryonic death (>12%), abortion (>12%) and perinatal death. Detailed information about the losses was obtained from practitioner. A total of 338 recipient mares were tested by microscopic agglutination test, and 226 (66.9%) were seroreactive, mainly against serovars Bratislava and Copenhageni. Seroreactivity could be associated to reproductive failure (p < 0.001), and it was demonstrated that a seroreactive mare is 1.8 times more likely (relative risk - RR) to present reproductive failure than a seronegative one, particularly in relation to early embryonic death (p < 0.0001; RR 8.4) but also to abortions (p < 0.0001; RR 3.5), and to perinatal death (p < 0.05; RR 7.3). Therefore, seroreactivity to Leptospira is associated to reproductive failure in all phases of pregnancy in recipient mares, impairing equine ET programmes.	
Palavras-Chave: 	Parametros reprodutivos; Sorologia.	
Thesagro: 	Estatística.	
Categoria do assunto: 	L Ciência Animal e Produtos de Origem Animal	
Registro original: 	Embrapa Gado de Leite (CNPGL)	
Exemplares: 	CNPGL - (20498-1) - UPC - AP - DD -  -  -  - DIS