Search
Now showing items 1-10 of 32
Apparent lack of evidence on selected infectious agents in wild Yellow-naped Amazon parrots: implications for releasing attempts
(Universidad Nacional, Costa Rica, 2015-05-09)
Blood and feather samples, as well as oropharyngeal and cloacal swabs, were collected
from nine free-ranging Amazona auropalliata between January and May 2009 in two highly
modified landscapes in northern Costa Rica. ...
Chlamydia abortus in dairy farms in Costa Rica
(Universidad Nacional, Costa Rica, 2015-12-02)
The aim of the present study was to determine the presence of antibodies against Chlamydia
abortus in specialized dairy farms. A total of 608 blood samples were collected during
2012 from 24 dairy farms located in the ...
Seroprevalence of Bluetongue and associated risk factors in Costa Rican sheep flocks
(Universidad Nacional, Costa Rica, 2015-11-22)
A total of 359 sheep samples from 15 farms were analyzed for the presence of antibodies against bluetongue virus (BTV) by commercial enzyme-linked immunosorbent assay (ELISA). Antibodies were detected in 290 sheep from ...
Evaluation of a voluntary control program for the detection of Bovine Leukemia Virus antibodies based on agar gel immunodiffusion test in dairy farms in Costa Rica
(Universidad Nacional, Costa Rica, 2015-05-02)
A total of 20 farms were analyzed repeatedly during five years using only the agar gel immunodiffusion
test (AGIDT) as part of a voluntary control program of Bovine Leukemia Virus (BLV). After
five years of cleaning up ...
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 ...
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%) ...
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 ...