Abortions and stillbirths in goats immunized against brucellosis

Abortions and stillbirths in goats immunized against brucellosis

The presence of abortions was evaluated in brucellosis-vaccinated goats in endemic zones. In total, 243 goats under extensive management conditions were used, 57 goats were vaccinated with RB51 at the dose rate of 1 x 1010 colony-forming units (cfu)/ml, 68 goats received 1 x 109 cfu rfbK, 97 goats received 1 x 105 cfu Rev 1, and 21 goats were kept as non-vaccinated controls. One hundred thirty nine (139) goats were detected pregnant, resulting in the following pregnancy rates: 40.3 % (23/ 57) for RB51, 66.2 % (45/68) rfbK, 46.4 % (45/97) for Rev 1, and 85.7 % (18/21) for the non-vaccinated controls. Abortion rates were as follows: RB51: 74.1 % (23/31), rfbK: 35.5 % (16/45), Rev 1: 22.2 % (0/45), and non-vaccinated controls: 16.6% (3/18). The RB51 strain was isolated from one aborted fetus. The relative risk of abortion was as follows: RB51: 4.45, rfbK: 2.13, and Rev 1: 1.33. In addition, goats in a herd with excellent nutritional conditions were also vaccinated, as follows: 10 with 1 x 1010 cfu RB51, 10 with 1 x 109 cfu rfbK, 10 with 1 x 105 cfu Rev 1, and 9 goats remained as non-vaccinated controls. The RB51 group had one abortion and one stillborn kid. In both cases, the RB51 strain was isolated from the fetuses and vaginal exudates. It was concluded that among the immunogens evaluated in goats, the RB51 strain vaccine is not an adequate option, since it results in abortions and stillbirths.

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Main Authors: Villa, Rocío, Perea, Marcell, Díaz Aparicio, Efrén, Soberón Mobarak, Alicia, Hernández Andrade, Laura, Suárez Güemes, Francisco
Format: Digital revista
Language:spa
Published: Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias 2012
Online Access:https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1806
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spelling rev-remexcp-article18062020-06-18T19:48:23Z Abortions and stillbirths in goats immunized against brucellosis Presencia de aborto y mortinatos en cabras inmunizadas Villa, Rocío Perea, Marcell Díaz Aparicio, Efrén Soberón Mobarak, Alicia Hernández Andrade, Laura Suárez Güemes, Francisco Brucellosis, Goats Brucelosis, Cabras, RB51, Rev 1, rfbK The presence of abortions was evaluated in brucellosis-vaccinated goats in endemic zones. In total, 243 goats under extensive management conditions were used, 57 goats were vaccinated with RB51 at the dose rate of 1 x 1010 colony-forming units (cfu)/ml, 68 goats received 1 x 109 cfu rfbK, 97 goats received 1 x 105 cfu Rev 1, and 21 goats were kept as non-vaccinated controls. One hundred thirty nine (139) goats were detected pregnant, resulting in the following pregnancy rates: 40.3 % (23/ 57) for RB51, 66.2 % (45/68) rfbK, 46.4 % (45/97) for Rev 1, and 85.7 % (18/21) for the non-vaccinated controls. Abortion rates were as follows: RB51: 74.1 % (23/31), rfbK: 35.5 % (16/45), Rev 1: 22.2 % (0/45), and non-vaccinated controls: 16.6% (3/18). The RB51 strain was isolated from one aborted fetus. The relative risk of abortion was as follows: RB51: 4.45, rfbK: 2.13, and Rev 1: 1.33. In addition, goats in a herd with excellent nutritional conditions were also vaccinated, as follows: 10 with 1 x 1010 cfu RB51, 10 with 1 x 109 cfu rfbK, 10 with 1 x 105 cfu Rev 1, and 9 goats remained as non-vaccinated controls. The RB51 group had one abortion and one stillborn kid. In both cases, the RB51 strain was isolated from the fetuses and vaginal exudates. It was concluded that among the immunogens evaluated in goats, the RB51 strain vaccine is not an adequate option, since it results in abortions and stillbirths. Se evaluó la presencia de abortos en cabras vacunadas contra brucelosis en zonas endémicas. Se trabajó con 243 cabras en explotaciones extensivas, 57 fueron vacunadas con RB51 a una dosis de 1 x 1010 ufc/ml, 68 cabras con rfbK a 1 x 109 ufc, 97 cabras con Rev 1 a 1 x 105 ufc y 21 cabras sin vacunar. Se detectaron gestantes a 139 cabras, los porcentajes de gestación fueron: 40.3 % (23 de 57) para RB51, 66.2 % (45 de 68) de rfbK, 46.4 % (45 de 97) para Rev 1 y en las no vacunadas 85.7 % (18 de 21). Los porcentajes de abortos fueron para RB51 de 23/31 (74.1 %), para rfbK de 16/45 (35.5%), para Rev 1 de 10/ 45 (22.2 %) y en el grupo no vacunado 3/18 (16.6 %), se logró aislar la cepa RB51 de un feto abortado. El riesgo relativo de presentar abortos en el grupo con RB51 fue de 4.45, con rfbK de 2.13 y con Rev 1 de 1.33. Además se vacunaron cabras gestantes de un rebaño con excelentes condiciones nutricionales, 10 con RB51 a una dosis de 1 x 1010 ufc, 10 con rfbK a 1 x 109 ufc, diez con Rev 1 y nueve cabras sin vacunar. El grupo de RB51 presentó un aborto y un mortinato, en ambos casos RB51 fue aislada de los fetos y exudados vaginales. Se concluye que entre los inmunógenos evaluados en cabras, la RB51 no es una opción conveniente ya que es causa de abortos y de mortinatos. Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias 2012-01-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1806 Revista Mexicana de Ciencias Pecuarias; Vol. 46, Núm. 3 (2008); 249 a 258 Revista Mexicana de Ciencias Pecuarias; Vol. 46, Núm. 3 (2008); 249 a 258 2448-6698 2007-1124 spa https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1806/1800 http://creativecommons.org/licenses/by-nc-sa/4.0
institution INIFAP
collection OJS
country México
countrycode MX
component Revista
access En linea
databasecode rev-remexcp
tag revista
region America del Norte
libraryname Biblioteca INIFAP
language spa
format Digital
author Villa, Rocío
Perea, Marcell
Díaz Aparicio, Efrén
Soberón Mobarak, Alicia
Hernández Andrade, Laura
Suárez Güemes, Francisco
spellingShingle Villa, Rocío
Perea, Marcell
Díaz Aparicio, Efrén
Soberón Mobarak, Alicia
Hernández Andrade, Laura
Suárez Güemes, Francisco
Abortions and stillbirths in goats immunized against brucellosis
author_facet Villa, Rocío
Perea, Marcell
Díaz Aparicio, Efrén
Soberón Mobarak, Alicia
Hernández Andrade, Laura
Suárez Güemes, Francisco
author_sort Villa, Rocío
title Abortions and stillbirths in goats immunized against brucellosis
title_short Abortions and stillbirths in goats immunized against brucellosis
title_full Abortions and stillbirths in goats immunized against brucellosis
title_fullStr Abortions and stillbirths in goats immunized against brucellosis
title_full_unstemmed Abortions and stillbirths in goats immunized against brucellosis
title_sort abortions and stillbirths in goats immunized against brucellosis
description The presence of abortions was evaluated in brucellosis-vaccinated goats in endemic zones. In total, 243 goats under extensive management conditions were used, 57 goats were vaccinated with RB51 at the dose rate of 1 x 1010 colony-forming units (cfu)/ml, 68 goats received 1 x 109 cfu rfbK, 97 goats received 1 x 105 cfu Rev 1, and 21 goats were kept as non-vaccinated controls. One hundred thirty nine (139) goats were detected pregnant, resulting in the following pregnancy rates: 40.3 % (23/ 57) for RB51, 66.2 % (45/68) rfbK, 46.4 % (45/97) for Rev 1, and 85.7 % (18/21) for the non-vaccinated controls. Abortion rates were as follows: RB51: 74.1 % (23/31), rfbK: 35.5 % (16/45), Rev 1: 22.2 % (0/45), and non-vaccinated controls: 16.6% (3/18). The RB51 strain was isolated from one aborted fetus. The relative risk of abortion was as follows: RB51: 4.45, rfbK: 2.13, and Rev 1: 1.33. In addition, goats in a herd with excellent nutritional conditions were also vaccinated, as follows: 10 with 1 x 1010 cfu RB51, 10 with 1 x 109 cfu rfbK, 10 with 1 x 105 cfu Rev 1, and 9 goats remained as non-vaccinated controls. The RB51 group had one abortion and one stillborn kid. In both cases, the RB51 strain was isolated from the fetuses and vaginal exudates. It was concluded that among the immunogens evaluated in goats, the RB51 strain vaccine is not an adequate option, since it results in abortions and stillbirths.
publisher Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias
publishDate 2012
url https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1806
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