Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow

The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate blood progesterone concentration at the time of...

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Autores principales: Quintero Rodríguez, Luis Ernesto, Domínguez, Germán, Alvarado Pinedo, María Fiorella, Travería, Gabriel Eduardo, Moré, Gastón Andrés, Campero, Lucía María, Sota, Rodolfo Luzbel de la, Madoz, Laura Vanina, Giuliodori, Mauricio Javier
Formato: Articulo
Lenguaje:Inglés
Publicado: 2022
Materias:
Ciencias Veterinarias
Bovine viral diarrhea virus
Bovine herpesvirus 1
Neospora caninum
Progesterone
Late embryonic loss
Grazing dairy cow
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/159479
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-159479
record_format dspace
spelling I19-R120-10915-1594792023-10-28T04:07:13Z http://sedici.unlp.edu.ar/handle/10915/159479 Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow Quintero Rodríguez, Luis Ernesto Domínguez, Germán Alvarado Pinedo, María Fiorella Travería, Gabriel Eduardo Moré, Gastón Andrés Campero, Lucía María Sota, Rodolfo Luzbel de la Madoz, Laura Vanina Giuliodori, Mauricio Javier 2022-10-05 2023-10-27T14:18:09Z en Ciencias Veterinarias Bovine viral diarrhea virus Bovine herpesvirus 1 Neospora caninum Progesterone Late embryonic loss Grazing dairy cow The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate blood progesterone concentration at the time of LEL occurrence, and 3- to describe a novel ultrasound-guided technique for conceptus sampling. We run a prospective cohort study involving 92 cows (46 LEL and 46 NLEL). An LEL cow was that having an embryo with no heartbeat, detached membranes, or floating structures, including embryo remnants detected at pregnancy check by ultrasonography (US) 28e42 days post-AI, whereas an NLEL cow was that with embryo heartbeats detectable by US at pregnancy check 28e42 d post-IA. We took two blood samples from every cow at pregnancy check by US (the day of LEL detection) and 28 d later to perform serological diagnosis of BVDV, BoHV-1, and N. caninum; and to measure blood progesterone concentration at pregnancy check (28e42 d post-AI).We also sampled the conceptus from all the LEL cows.We performed PCR to detect BVDV, BoHV-1, and N. caninum in sampled conceptuses from LEL cows. Finally, we evaluated the associations of risk factors (serological titers, seroconversion, and progesterone) with LEL odds with logistic models. The risk for LEL was associated with serological titers to BVDV (P ¼ 0.03) and tended to be associated with seroconversion to BVDV, given that 19.6% (9/46) in LEL and 6.5% (3/46) in NLEL cows seroconverted to BVDV (P ¼ 0.09). In addition, BVDV was detected in conceptuses from LEL cows that seroconverted to BVDV but not in LEL cows that did not seroconvert. Conversely, the risk for LEL was not associated with the titers or seroconversion to BoHV-1 and N. caninum. BoHV-1 and N. caninum were not identified in any of the conceptuses. Finally, blood progesterone concentration was similar in LEL and NLEL cows, and it was not associated with the risk for LEL (P ¼ 0.54). In conclusion, BVDV infection is a risk factor for LEL in dairy cows. Facultad de Ciencias Veterinarias Centro de Diagnóstico e Investigaciones Veterinarias Consejo Nacional de Investigaciones Científicas y Técnicas Articulo Articulo http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) application/pdf 126-132
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Veterinarias
Bovine viral diarrhea virus
Bovine herpesvirus 1
Neospora caninum
Progesterone
Late embryonic loss
Grazing dairy cow
spellingShingle Ciencias Veterinarias
Bovine viral diarrhea virus
Bovine herpesvirus 1
Neospora caninum
Progesterone
Late embryonic loss
Grazing dairy cow
Quintero Rodríguez, Luis Ernesto
Domínguez, Germán
Alvarado Pinedo, María Fiorella
Travería, Gabriel Eduardo
Moré, Gastón Andrés
Campero, Lucía María
Sota, Rodolfo Luzbel de la
Madoz, Laura Vanina
Giuliodori, Mauricio Javier
Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
topic_facet Ciencias Veterinarias
Bovine viral diarrhea virus
Bovine herpesvirus 1
Neospora caninum
Progesterone
Late embryonic loss
Grazing dairy cow
description The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate blood progesterone concentration at the time of LEL occurrence, and 3- to describe a novel ultrasound-guided technique for conceptus sampling. We run a prospective cohort study involving 92 cows (46 LEL and 46 NLEL). An LEL cow was that having an embryo with no heartbeat, detached membranes, or floating structures, including embryo remnants detected at pregnancy check by ultrasonography (US) 28e42 days post-AI, whereas an NLEL cow was that with embryo heartbeats detectable by US at pregnancy check 28e42 d post-IA. We took two blood samples from every cow at pregnancy check by US (the day of LEL detection) and 28 d later to perform serological diagnosis of BVDV, BoHV-1, and N. caninum; and to measure blood progesterone concentration at pregnancy check (28e42 d post-AI).We also sampled the conceptus from all the LEL cows.We performed PCR to detect BVDV, BoHV-1, and N. caninum in sampled conceptuses from LEL cows. Finally, we evaluated the associations of risk factors (serological titers, seroconversion, and progesterone) with LEL odds with logistic models. The risk for LEL was associated with serological titers to BVDV (P ¼ 0.03) and tended to be associated with seroconversion to BVDV, given that 19.6% (9/46) in LEL and 6.5% (3/46) in NLEL cows seroconverted to BVDV (P ¼ 0.09). In addition, BVDV was detected in conceptuses from LEL cows that seroconverted to BVDV but not in LEL cows that did not seroconvert. Conversely, the risk for LEL was not associated with the titers or seroconversion to BoHV-1 and N. caninum. BoHV-1 and N. caninum were not identified in any of the conceptuses. Finally, blood progesterone concentration was similar in LEL and NLEL cows, and it was not associated with the risk for LEL (P ¼ 0.54). In conclusion, BVDV infection is a risk factor for LEL in dairy cows.
format Articulo
Articulo
author Quintero Rodríguez, Luis Ernesto
Domínguez, Germán
Alvarado Pinedo, María Fiorella
Travería, Gabriel Eduardo
Moré, Gastón Andrés
Campero, Lucía María
Sota, Rodolfo Luzbel de la
Madoz, Laura Vanina
Giuliodori, Mauricio Javier
author_facet Quintero Rodríguez, Luis Ernesto
Domínguez, Germán
Alvarado Pinedo, María Fiorella
Travería, Gabriel Eduardo
Moré, Gastón Andrés
Campero, Lucía María
Sota, Rodolfo Luzbel de la
Madoz, Laura Vanina
Giuliodori, Mauricio Javier
author_sort Quintero Rodríguez, Luis Ernesto
title Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
title_short Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
title_full Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
title_fullStr Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
title_full_unstemmed Association of Bovine Viral Diarrhea Virus, Bovine Herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
title_sort association of bovine viral diarrhea virus, bovine herpesvirus 1, and neospora caninum with late embryonic losses in highly supplemented grazing dairy cow
publishDate 2022
url http://sedici.unlp.edu.ar/handle/10915/159479
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