| Effect of a killed whole Neospora caninum tachyzoite vaccine on the crude abortion rate of Costa Rican dairy cows under field conditions JJ Romero, E Perez, K Frankena Veterinary parasitology 123 (3-4), 149-159, 2004 | 140 | 2004 |
| Edad al primer parto en vacas Holstein de lechería especializada en Costa Rica M Salazar-Carranza, G Castillo-Badilla, J Murillo-Herrera, ... Agronomía Mesoamericana 24 (2), 233-243, 2013 | 99* | 2013 |
| Novel genotype of Ehrlichia canis detected in samples of human blood bank donors in Costa Rica L Bouza-Mora, G Dolz, A Solórzano-Morales, JJ Romero-Zuñiga, ... Ticks and tick-borne diseases 8 (1), 36-40, 2017 | 96 | 2017 |
| Factors associated with Neospora caninum serostatus in cattle of 20 specialised Costa Rican dairy herds JJ Romero, E Perez, G Dolz, K Frankena Preventive veterinary medicine 53 (4), 263-273, 2002 | 89 | 2002 |
| Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica I Paquet-Durand, J Hernández, G Dolz, JJR Zuniga, T Schnieder, C Epe Acta Tropica 104 (1), 30-37, 2007 | 88 | 2007 |
| Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica I Paquet-Durand, J Hernández, G Dolz, JJR Zuniga, T Schnieder, C Epe Acta Tropica 104 (1), 30-37, 2007 | 88 | 2007 |
| Effect of neosporosis on productive and reproductive performance of dairy cattle in Costa Rica JJ Romero, S Van Breda, B Vargas, G Dolz, K Frankena Theriogenology 64 (9), 1928-1939, 2005 | 77 | 2005 |
| Epidemiología y registro de las cardiopatías congénitas en Costa Rica A Benavides-Lara, JE Faerron Ángel, L Umaña Solís, JJ Romero Zúñiga Revista Panamericana de Salud Pública 30, 31-38, 2011 | 67 | 2011 |
| Counts, serovars, and antimicrobial resistance phenotypes of Salmonella on raw chicken meat at retail in Colombia P Donado-Godoy, V Clavijo, M Leon, A Arevalo, R Castellanos, J Bernal, ... Journal of Food Protection 77 (2), 227-235, 2014 | 61 | 2014 |
| Prevalence, resistance patterns, and risk factors for antimicrobial resistance in bacteria from retail chicken meat in Colombia P Donado-Godoy, BA Byrne, R Castellanos, C Vanegas, A Coral, ... Journal of Food Protection 78 (4), 751-759, 2015 | 59 | 2015 |
| First isolation and molecular characterization of Ehrlichia canis in Costa Rica, Central America LE Romero, AI Meneses, L Salazar, M Jiménez, JJ Romero, DM Aguiar, ... Research in veterinary science 91 (1), 95-97, 2011 | 59 | 2011 |
| The effect of the dam–calf relationship on serostatus to Neospora caninum on 20 Costa Rican dairy farms JJ Romero, K Frankena Veterinary Parasitology 114 (3), 159-171, 2003 | 51 | 2003 |
| Serology, molecular detection and risk factors of Ehrlichia canis infection in dogs in Costa Rica AV Barrantes-González, AE Jiménez-Rocha, JJ Romero-Zuñiga, G Dolz Ticks and tick-borne diseases 7 (6), 1245-1251, 2016 | 50 | 2016 |
| Epidemiology of bovine anaplasmosis in dairy herds from Costa Rica JB Oliveira, J Montoya, JJ Romero, A Urbina, N Soto-Barrientos, ... Veterinary Parasitology 177 (3-4), 359-365, 2011 | 50 | 2011 |
| Detection of Babesia caballi and Theileria equi in blood from equines from four indigenous communities in Costa Rica MF Posada-Guzmán, G Dolz, JJ Romero-Zúñiga, AE Jiménez-Rocha Veterinary Medicine International 2015, 2015 | 44 | 2015 |
| Risk factors associated with milk fever occurrence in grazing dairy cattle A Saborío-Montero, B Vargas-Leitón, JJ Romero-Zúñiga, JM Sánchez Journal of dairy science 100 (12), 9715-9722, 2017 | 43 | 2017 |
| Centrocestus formosanus (Opisthorchiida: Heterophyidae) como causa de muerte de alevines de tilapia gris Oreochromis niloticus (Perciforme: Cichlidae) en el Pacífico seco de … D Arguedas Cortés, G Dolz, JJ Romero Zúñiga, AE Jiménez Rocha, ... Revista de Biología Tropical 58 (4), 1453-1465, 2010 | 37 | 2010 |
| Epidemiology of bovine brucellosis in Costa Rica: Lessons learned from failures in the control of the disease G Hernandez-Mora, N Ruiz-Villalobos, R Bonilla-Montoya, ... PloS one 12 (8), e0182380, 2017 | 36 | 2017 |
| Serological detection of antibodies to Anaplasma spp., Borrelia burgdorferi sensu lato and Ehrlichia canis and of Dirofilaria immitis antigen in dogs from Costa Rica VM Montenegro, MC Bonilla, D Kaminsky, JJ Romero-Zúñiga, S Siebert, ... Veterinary parasitology 236, 97-107, 2017 | 36 | 2017 |
| Efecto de la edad al primer parto sobre parámetros productivos en vacas Jersey de Costa Rica G Castillo-Badilla, M Salazar-Carranza, J Murillo-Herrera, ... Agronomía Mesoamericana 24 (1), 177-187, 2013 | 36 | 2013 |
