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Bovine Leukaemia‐virus infection in Costa Rica
(Blackwell Wissenschaft, 1995)
The geographical distribution of bovine leukaemia‐virus (BLV)‐infected herds in Costa Rica and the isolation of BLV from cases of enzootic bovine leukosis are presented. It was found that BLV is prevalent throughout the ...
First report of bovine neosporosis in dairy cattle in Costa Rica
(British Veterinary Association, 1998-05-09)
NEOSPOROSIS has recently been recognised as a major cause of
abortion in dairy cattle worldwide (Barr and others 1990, Duff
and Otter 1994, Boulton and others 1995). The disease is caused
by the protozoan parasite, ...
Prevalence of antibodies to bovine paratuberculosis detected by a LAM-ELISA in Costa Rica
(British Veterinary Association, 1999-03)
In Costa Rica the diagnosis of Johne's disease has been based
on clinical, histopathological and bacteriological evidence and
cutaneous testing; however, the prevalence of the disease at the
national level is unknown. ...
Effect of management and host factors on seroprevalence of bovine anaplasmosis and babesiosis in Costa Rica
(Elsevier B.V, 1993-11-16)
The relationships between the seroprevalences of Anaplasma rnarginale, Babesia bige mina, Babesia bovis and some selected factors were assessed. Factors studied were age,
breed, herd size, farm size, rotational grazing ...
Parásitos intestinales del tepezcuinte, Agouti paca (Rodentia: Dasyproctidae) en Costa Rica
(Universidad de Costa Rica., 1990)
In a sample of 23 breeding places of pacas (Agouti paca) in Costa Rica, the following parasites were found: Eimeria agoutii, Balantidium coli, Capillaria sp., Trichuris sp., Taenia sp., Strongyloides sp., and members of ...
Analysis of test day yield data of Costa Rican dairy cattle
(Elsevier, 1998)
Estimates of variance components for test day
records in an animal model that considered multiple
traits over multiple lactations were calculated using
REML methodology. Test day records were classified
into 11 periods ...
Tail stump sperm defect as a cause of sterility in an indobrasil (Bus indicus) bull
(Blackwell Wissenschafts-Verlag, Berlin, 1998)
The first known case of an Indobrasil (BOA indicus) bull, with a
frequency of 100% of the specific sperm abnormality, known
as ‘tail stump sperm defect’ is reported. A 5-year old bull was
located as a breeding sire in ...
Zymodeme and serodeme characterization of Leishmania Isolates obtained from Costa Rican patients
(Instituto Oswaldo Cruz, 1998-05)
Human leishmaniasis is widespread through-
out Central America and constitutes an important
public health problem. Annual incidence is esti-
mated to be about 20,000 cases (Carreira et al.
1995), of which 4,000 to ...
Prevalence and risk factors for Trichomonas foetus infection in cattle in northeastern Costa Rica
(Elsevier, 1992-05-27)
Two studies (one pilot and one cross-sectional) were conducted in the two main livestock-rearing
areas of Costa Rica using an improved method (In-Pouch TF) for the detection of Trichomonas
foetus infection in bulls. Herd ...
Indices de similitud entre taxocenosis de t1ebótomos (Diptera: Psychodidae) en un área endémica de leishmaniasis cutánea en Costa Rica
(Universidad de Costa Rica, 1993-12-01)
A comparison of diversity between eight Costa Rican taxocenosis of phlebotorninae sandflies was made
with the Sorensen sirnilarity coefficient. Sites Agua Blanca-Chirraca (C = 0.68), Ceiba Este-Chirraca (C = 0.66), La ...