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Prevalence of paratuberculosis (Mycobacterium avium subspecies paratuberculosis) in specialized dairy herds in Costa Rica
(Universidad Nacional, Costa Rica, 2015-09-30)
A cross-sectional study was conducted in 194 specialized dairy herds in Costa Rica, to determine the prevalence of Mycobacterium avium subspecies paratuberculosis (MAP) in herds at a national level and by administrative ...
Diagnosis of human paragonimiasis in Costa Rica using intradermal test and immunoblot
(Universidad Nacional, Costa Rica, 2015-09-10)
Excretory-secretory antigen (ESA) and adult somatic antigen (ASA) were obtained from adult worms of Paragonimus mexicanus. These antigens were characterized, tested and compared for its use in serodiagnosis of human ...
Re-emergence of Plasmodium malariae in Costa Rica
(Universidad Nacional, Costa Rica, 2015-04-30)
In this paper we report the diagnosis of four cases of Plasmodium malariae in humans in Costa Rica, using parasitological and molecular techniques. Real-time PCR detected P. malariae in all four samples and established ...
Emergence of an outbreak-associated Clostridium difficile variant with increased virulence
(Journal of Clinical Microbiology, 2015-04-23)
The prevalence of Clostridium difficile infections has increased due to the emergence of epidemic variants from diverse genetic lineages. Here we describe the emergence of a novel variant during an outbreak in a Costa Rican ...
Brucella canis is an intracellular pathogen that induces a lower proinflammatory response than smooth zoonotic counterparts
(Infection and Immunity, 2015-09-29)
Canine brucellosis caused by Brucella canis is a disease of dogs and a zoonotic risk. B. canis harbors most of the virulence determinants defined for the genus, but its pathogenic strategy remains unclear since it has not ...
Detection of Babesia caballi and Theileria equi in blood from equines from four indigenous communities in Costa Rica
(Veterinary Medicine International, 2015-11-16)
A cross-sectional study was carried out in four indigenous communities of Costa Rica to detect presence and prevalence of Babesia caballi and Theileria equi and to investigate factors associated with presence of these ...
Detection of antibodies against Chlamydophila abortus in Costa Rican sheep flocks
(Open Veterinary Journal, 2015-09-01)
A total of 359 sheep samples from 15 flocks were analyzed for the presence of antibodies against Chlamydophila abortus using a commercial Enzyme linked Immunosorbent Assay (ELISA). Antibodies were detected in 19 (5.29%) ...
Effect of an energy supplementation, weaning and oestrous synchronisation on ovarian activity and ovulation in early postpartum primiparous Bos indicus cows raised in the tropics of Costa Rica
(American Society for Microbiology., 2015-09-07)
To evaluate the effect of an energy supplementation, 26 postpartum Bos indicus cows were assigned either to receive an energy diet supplementation (n ≤ 11, SSD) or no supplementation (n ≤ 15, NSSD). Cows in the SSD treatment ...
First report of Amblyomma tapirellum Dunn, 1933 (Ixodida: Ixodidae) in Costa Rica
(Systematic and Applied Acarology, 2015-07-31)
A total of six Amblyomma tapirellum ticks were found for the first time in rainforest from the lowland to the southern Pacific of Costa Rica. Tick identification was carried out by morphology and afterward confirmed by ...
Identification and antimicrobial susceptibility of obligate anaerobic bacteria from clinical samples of animal origin
(Anaerobe, 2015-09-14)
The etiology of veterinary infectious diseases has been the focus of considerable research, yet relatively little is known about the causative agents of anaerobic infections. Susceptibility studies have documented the ...