Data/hora: 13/06/2024 02:39:29

Provedor de dados: 	45	
País: 	Brazil	
Título: 	Efficacy and limitations of different approaches to anticipate the diagnosis of pregnancy in cattle	
Autores: 	Palhão,M.P.; Guimarães,C.R.B.; Lima,J.F.J.F.M.; Mendonça,M.R.; Fernandes,C.A.C.; Neves,J.P.; Garcia,J.A.D.; Gioso,M.M.; Miglino,M.A.; Viana,J.H.M.	
Data: 	2019-12-01	
Ano: 	2019	
Palavras-chave: 	Color doppler; PAGs; Timed embryo transfer.	
Resumo: 	ABSTRACT The study evaluated sonographic and serologic exams performed for early (20 to 30d) diagnosis of pregnancy. One hundred-twenty (n= 120) bovine recipients were synchronized (estrous=D0) and timed embryo transferred (TET, D7) with fresh in vitro produced embryos. In the first trial (n= 46), diagnosis of pregnancy was performed on day 20 (D20) by detecting CL blood flow (BF) and by Pregnancy-Associated Glycoproteins (PAGs) serology. In the second trial (n= 30), pregnancy diagnosis was performed on D25 by ultrasound visualization of uterine contents and by PAGs serology. In the last trial, PAG’s serology was performed on D30. Ultrasonographic detection of the uterine contents and embryo viability performed on D30 (DG30) was considered the gold standard. The PROC FREQ procedure was used to test the agreement between diagnostic methods. On D20, the Doppler ultrasonography of the CL had showed high sensitivity (100%), but only moderate specificity (53.3%). On the same day, serologic diagnostic had no agreement (k= -0.08, P&lt; 0.46) with the gold standard, with very low sensitivity (6.3%). However, the sensitivity of the serologic exam increased dramatically (from 6.3 to 100%) from D20 to D25, and it contributed to detect false negatives from the ultrasound diagnosis, improving the overall accuracy from 90% to 96.7%.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000601909	
Editor: 	Universidade Federal de Minas Gerais, Escola de Veterinária	
Relação: 	10.1590/1678-4162-10698	
Formato: 	text/html	
Fonte: 	Arquivo Brasileiro de Medicina Veterinária e Zootecnia  v.71 n.6 2019	
Fonte: 	info:eu-repo/semantics/openAccess