search for subtype i strains of venezuelan encephalitis virus among isolates from trinidad, w.i., during 1960-1972. | twenty-one strains of venezuelan encephalitis (ve) virus isolated from three habitats in trinidad, w.i. during 1960 to 1972, were subtype iii (mucambo) ve virus by plaque-reduction neutralization tests. like prototype mucambo virus, each strain killed 8- to 15-week-old mice inoculated intraperitoneally. if the subtype i strain of ve virus that caused a major outbreak in trinidad during 1943 to 1944 persisted on the island into the 1960s and early 1970s, it did not become the dominant ve virus in ... | 1977 | 842779 |
serological studies on leptospirosis in livestock and chickens from grenada and trinidad. | sera from 1,206 livestock animals and chickens on grenada and trinidad were tested for leptospiral antibodies by the microscopic agglutination test. 376 of the sera were positive (25% of those tested on grenada and 44% on trinidad). the positive sera were obtained from 25% of 324 cattle, 35% of 130 pigs, 35% of 146 sheep, 25% of 44 goats and 11% of 175 chickens on grenada; and 92% of 26 cattle, 53% of 122 pigs, 76% of 87 horses and donkeys and 11% of 144 chickens on trinidad. eight sera from duc ... | 1985 | 3832496 |
epidemiologic investigations relating to a case of eastern equine encephalitis in a trinidadian horse. | | 1968 | 4387592 |
[ecological studies of venezuelan equine encephalitis virus (eev) in the bush bush wilderness of trinidad]. | | 1966 | 4388805 |
eastern equine encephalitis in trinidad. epidemiological investigations following two human cases of south american strain in santa cruz. | | 1973 | 4786649 |
arboviruses in the caribbean islands. | | 1968 | 4886890 |
first isolation of a south american strain of eastern equine virus from a case of encephalitis in trinidad. | | 1972 | 5037688 |
antigenic variants of venezuelan equine encephalitis virus: their geographic distribution and epidemiologic significance. | | 1969 | 5773424 |
[report on culex(melanoconion)portesi. senevet and abonnenc, vector of the arbovirus]. | | 1966 | 6003403 |
specific restrictions in the progression of venezuelan equine encephalitis virus-induced disease resulting from single amino acid changes in the glycoproteins. | the pathogenesis of venezuelan equine encephalitis virus (vee) was examined in the mouse model using v3000, a virus derived from a molecular clone of the trinidad donkey strain of vee. these results were compared in parallel experiments with avirulent mutants of vee derived by site-directed mutagenesis of the clone. adult mice, inoculated subcutaneously in their left rear footpad with v3000, were followed in a time course study for 6 days in which 15 organs were tested for histopathological chan ... | 1995 | 7856110 |
a field evaluation of pcr for the routine detection of babesia equi in horses. | we report on a study that evaluated the usefulness of pcr for the routine detection of babesia equi in horses. the blood from a total of 105 horses comprising both sick and apparently healthy animals were examined for the presence of b. equi using both wright-giemsa-stained blood smears and pcr. microscopic analysis of giemsa-stained blood smears revealed 10/105 animals positive for babesia, compared to 16/105 for the primary pcr and 36/105 for the nested pcr. three of the 10 samples positive by ... | 2003 | 12781470 |
ethnoveterinary medicines used for horses in trinidad and in british columbia, canada. | this paper investigates the commonalities in ethnoveterinary medicine used for horses between trinidad (west indies) and british columbia (canada). these research areas are part of a common market in pharmaceuticals and are both involved in the north american racing circuit. there has been very little research conducted on medicinal plants used for horses although their use is widespread. the data on ethnoveterinary medicines used for horses was obtained through key informant interviews with hor ... | 2006 | 16893454 |
a serological study of babesia caballi and theileria equi in thoroughbreds in trinidad. | ninety-three (93) horses were investigated for serum antibodies to theileria equi (t. equi) and babesia caballi (b. caballi) using the immunofluorescent antibody test (ifat). seventy-seven (82.8%) horses were seropositive; 31 (33.3%) were positive to t. equi compared to 64 (68.8%) to b. caballi while 18 (19.4%) horses were seropositive to both parasites. no significant differences in antibody frequencies among females and males for either t. equi or b. caballi were noted. differences in seroposi ... | 2007 | 17118557 |
isolation and phylogenetic analysis of mucambo virus (venezuelan equine encephalitis complex subtype iiia) in trinidad. | in the 1950s and 1960s, alphaviruses in the venezuelan equine encephalitis (vee) antigenic complex were the most frequently isolated arboviruses in trinidad. since then, there has been very little research performed with these viruses. herein, we report on the isolation, sequencing, and phylogenetic analyses of mucambo virus (mucv; vee complex subtype iiia), including 6 recently isolated from culex (melanoconion) portesi mosquitoes and 11 previously isolated in trinidad and brazil. results show ... | 2009 | 19631956 |
a case of transplacental transmission of theileria equi in a foal in trinidad. | equine piroplasmosis due to theileria equi and babesia caballi is endemic in trinidad. a case of equine piroplasmosis due to t. equi was diagnosed in a thoroughbred foal at 10h post-partum. a high parasitaemia (63%) of piroplasms was observed in a wright-giemsa(®) stained thin blood smear from the foal. in addition, the 18s rrna gene for babesia/theileria was amplified from dna extracted from the blood of the foal and the mare. amplified products were subjected to a reverse line blot hybridizati ... | 2010 | 21051152 |
serological evidence of infection of tacaribe virus and arboviruses in trinidadian bats. | sera from 39 species of bats collected in trinidad between 1972 and 1974 were tested against some or all of 18 arboviruses in hemagglutination inhibition (hi) and/or suckling mouse neutralization (n) tests. a few sera were hi-positive with mucambo, eastern equine encephalitis (eee), oriboca, restan, manzanilla, guama, bimiti, and catu. no sera were hi-positive with mayaro, caraparu or maguari. many ser inhibited one or more of the group b hemagglutinins: ilheus, st. louis encephalitis (sle), den ... | 1978 | 204207 |