Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area
Foot-and-mouth disease (FMD) inflicts severe economic losses within infected countries and is arguably the most important trade-restricting livestock disease in the world. In southern Africa, infected African buffaloes (Syncerus caffer) are the major reservoir of the South African Territories (SAT) types of the virus. With the progressive expansion of transfrontier conservation areas (TFCAs), the risk of FMD outbreaks is expected to increase due to a higher probability of buffalo/ livestock contacts. To investigate the dynamics of FMD within and around the Great Limpopo TFCA (GLTFCA), 5 herds of buffaloes were sampled in June 2010 to characterize circulating viruses in South Africa and Zimbabwe. Three SAT-2 and three SAT-3 viral strains were isolated in both countries, including one that was genetically linked with a recent SAT-2 outbreak in Mozambique in 2011. In addition, two groups of unvaccinated cattle (n = 192) were serologically monitored for 1 year at the wildlife/livestock interface of Gonarezhou National Park (GNP) in Zimbabwe between April 2009 and January 2010, using the liquid-phase blocking ELISA (LPBE) and a test for antibodies directed against non-structural proteins (NSP). Neither clinical signs nor vaccination of cattle were reported during the study, yet a high proportion of the monitored cattle showed antibody responses against SAT-3 and SAT-1. Antibodies against NSP were also detected in 10% of the monitored cattle. The results of this study suggest that cattle grazing in areas adjacent to the GLTFCA can be infected by buffalo or other infected livestock and that cattle trade movements can act as efficient disseminators of FMD viruses to areas several hundred kilometres from the virus source. Current methods of surveillance of FMD at the GLTFCA interface seem insufficient to control for FMD emergence and dissemination and require urgent reassessment and regional coordination.
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Biblioteca del CIRAD Francia |
language |
eng |
topic |
L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 |
spellingShingle |
L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 Jori Massanas, Ferran Caron, Alexandre Thompson, Penny Dwarka, Rahana Foggin, Chris De Garine-Wichatitsky, Michel Hofmeyr, Markus Van Heerden, Juanita Heath, Livio Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
description |
Foot-and-mouth disease (FMD) inflicts severe economic losses within infected countries and is arguably the most important trade-restricting livestock disease in the world. In southern Africa, infected African buffaloes (Syncerus caffer) are the major reservoir of the South African Territories (SAT) types of the virus. With the progressive expansion of transfrontier conservation areas (TFCAs), the risk of FMD outbreaks is expected to increase due to a higher probability of buffalo/ livestock contacts. To investigate the dynamics of FMD within and around the Great Limpopo TFCA (GLTFCA), 5 herds of buffaloes were sampled in June 2010 to characterize circulating viruses in South Africa and Zimbabwe. Three SAT-2 and three SAT-3 viral strains were isolated in both countries, including one that was genetically linked with a recent SAT-2 outbreak in Mozambique in 2011. In addition, two groups of unvaccinated cattle (n = 192) were serologically monitored for 1 year at the wildlife/livestock interface of Gonarezhou National Park (GNP) in Zimbabwe between April 2009 and January 2010, using the liquid-phase blocking ELISA (LPBE) and a test for antibodies directed against non-structural proteins (NSP). Neither clinical signs nor vaccination of cattle were reported during the study, yet a high proportion of the monitored cattle showed antibody responses against SAT-3 and SAT-1. Antibodies against NSP were also detected in 10% of the monitored cattle. The results of this study suggest that cattle grazing in areas adjacent to the GLTFCA can be infected by buffalo or other infected livestock and that cattle trade movements can act as efficient disseminators of FMD viruses to areas several hundred kilometres from the virus source. Current methods of surveillance of FMD at the GLTFCA interface seem insufficient to control for FMD emergence and dissemination and require urgent reassessment and regional coordination. |
format |
article |
topic_facet |
L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 |
author |
Jori Massanas, Ferran Caron, Alexandre Thompson, Penny Dwarka, Rahana Foggin, Chris De Garine-Wichatitsky, Michel Hofmeyr, Markus Van Heerden, Juanita Heath, Livio |
author_facet |
Jori Massanas, Ferran Caron, Alexandre Thompson, Penny Dwarka, Rahana Foggin, Chris De Garine-Wichatitsky, Michel Hofmeyr, Markus Van Heerden, Juanita Heath, Livio |
author_sort |
Jori Massanas, Ferran |
title |
Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
title_short |
Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
title_full |
Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
title_fullStr |
Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
title_full_unstemmed |
Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
title_sort |
characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area |
url |
http://agritrop.cirad.fr/576444/ http://agritrop.cirad.fr/576444/7/576444.pdf |
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dig-cirad-fr-5764442024-01-28T22:46:21Z http://agritrop.cirad.fr/576444/ http://agritrop.cirad.fr/576444/ Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area. Jori Massanas Ferran, Caron Alexandre, Thompson Penny, Dwarka Rahana, Foggin Chris, De Garine-Wichatitsky Michel, Hofmeyr Markus, Van Heerden Juanita, Heath Livio. 2016. Transboundary and Emerging Diseases, 63 (1) : e58-e70.https://doi.org/10.1111/tbed.12231 <https://doi.org/10.1111/tbed.12231> Characteristics of foot-and-mouth disease viral strains circulating at the wildlife/livestock interface of the great limpopo transfrontier conservation area Jori Massanas, Ferran Caron, Alexandre Thompson, Penny Dwarka, Rahana Foggin, Chris De Garine-Wichatitsky, Michel Hofmeyr, Markus Van Heerden, Juanita Heath, Livio eng 2016 Transboundary and Emerging Diseases L73 - Maladies des animaux virus fièvre aphteuse buffle africain bétail transmission des maladies dynamique des populations animal domestique animal sauvage interactions biologiques zone protégée fièvre aphteuse épidémiologie sérologie animal indicateur surveillance épidémiologique contrôle de maladies http://aims.fao.org/aos/agrovoc/c_3034 http://aims.fao.org/aos/agrovoc/c_167 http://aims.fao.org/aos/agrovoc/c_4397 http://aims.fao.org/aos/agrovoc/c_2329 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_2356 http://aims.fao.org/aos/agrovoc/c_24103 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_37952 http://aims.fao.org/aos/agrovoc/c_3033 http://aims.fao.org/aos/agrovoc/c_2615 http://aims.fao.org/aos/agrovoc/c_27081 http://aims.fao.org/aos/agrovoc/c_24184 http://aims.fao.org/aos/agrovoc/c_16411 http://aims.fao.org/aos/agrovoc/c_2327 Zimbabwe Afrique du Sud http://aims.fao.org/aos/agrovoc/c_8516 http://aims.fao.org/aos/agrovoc/c_7252 Foot-and-mouth disease (FMD) inflicts severe economic losses within infected countries and is arguably the most important trade-restricting livestock disease in the world. In southern Africa, infected African buffaloes (Syncerus caffer) are the major reservoir of the South African Territories (SAT) types of the virus. With the progressive expansion of transfrontier conservation areas (TFCAs), the risk of FMD outbreaks is expected to increase due to a higher probability of buffalo/ livestock contacts. To investigate the dynamics of FMD within and around the Great Limpopo TFCA (GLTFCA), 5 herds of buffaloes were sampled in June 2010 to characterize circulating viruses in South Africa and Zimbabwe. Three SAT-2 and three SAT-3 viral strains were isolated in both countries, including one that was genetically linked with a recent SAT-2 outbreak in Mozambique in 2011. In addition, two groups of unvaccinated cattle (n = 192) were serologically monitored for 1 year at the wildlife/livestock interface of Gonarezhou National Park (GNP) in Zimbabwe between April 2009 and January 2010, using the liquid-phase blocking ELISA (LPBE) and a test for antibodies directed against non-structural proteins (NSP). Neither clinical signs nor vaccination of cattle were reported during the study, yet a high proportion of the monitored cattle showed antibody responses against SAT-3 and SAT-1. Antibodies against NSP were also detected in 10% of the monitored cattle. The results of this study suggest that cattle grazing in areas adjacent to the GLTFCA can be infected by buffalo or other infected livestock and that cattle trade movements can act as efficient disseminators of FMD viruses to areas several hundred kilometres from the virus source. Current methods of surveillance of FMD at the GLTFCA interface seem insufficient to control for FMD emergence and dissemination and require urgent reassessment and regional coordination. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/576444/7/576444.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1111/tbed.12231 10.1111/tbed.12231 info:eu-repo/semantics/altIdentifier/doi/10.1111/tbed.12231 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/tbed.12231 |