Publications

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epizootiology of bluetongue: the situation in the united states of america.bluetongue was first reported in the united states in 1948 in sheep in texas. the virus has now been isolated from sheep in 19 states. when the disease first occurs in a flock, the morbidity may reach 50 to 75% and mortality 20 to 50%. in subsequent years, the morbidity may be only 1 to 2% with very few deaths. difference in breed susceptibility has not been observed. natural bluetongue infection has not been observed in angora or dairy goats. bluetongue virus was first isolated from cattle, in ...1975169793
development and application of a dot-elisa test for the detection of serum antibodies to fasciola hepatica antigens in llamas.a microenzyme-linked immunosorbent assay (dot-elisa) was developed to detect serum antibodies against fasciola hepatica antigens in llamas. sera from five f. hepatica-infected and 11 non-infected llamas were used in initial test development. nitrocellulose filter disks containing f. hepatica excretory-secretory product were placed in 96-well microtiter plates, washed, blocked with tween-20, then incubated with four-fold serial dilutions of llama sera. after incubation with rabbit anti-llama igg ...19957676604
characterization of pasteurella multocida associated with pneumonia in bighorn sheep.pasteurella multocida is a highly diverse group of bacteria recognized as important pathogens. although p. multocida is not ordinarily associated with disease in rocky mountain bighorn sheep (ovis canadensis canadensis), numerous isolates were cultured in high numbers from free-ranging bighorn sheep in the hells canyon area of idaho, washington, and oregon (usa) during the winter of 1995-96. animals captured in hells canyon and held in captivity, and their offspring, also harbored p. multocida. ...200314567214
sharing of pasteurella spp. between free-ranging bighorn sheep and feral goats.pasteurella spp. were isolated from feral goats and free-ranging bighorn sheep (ovis canadensis canadensis) in the hells canyon national recreation area bordering idaho, oregon, and washington (usa). biovariant 1 pasteurella haemolytica organisms were isolated from one goat and one of two bighorn sheep found in close association. both isolates produced leukotoxin and had identical electrophoretic patterns of dna fragments following cutting with restriction endonuclease haeiii. similarly pasteure ...200314733287
phenotypic and phylogenetic characterization of ruminal tannin-tolerant bacteria.the 16s rrna sequences and selected phenotypic characteristics were determined for six recently isolated bacteria that can tolerate high levels of hydrolyzable and condensed tannins. bacteria were isolated from the ruminal contents of animals in different geographic locations, including sardinian sheep (ovis aries), honduran and colombian goats (capra hircus), white-tail deer (odocoileus virginianus) from upstate new york, and rocky mountain elk (cervus elaphus nelsoni) from oregon. nearly compl ...19989758806
serogrouping of bacteroides nodosus isolates from 62 sources in the united states.bacteroides nodosus isolates from 62 sources in the united states were obtained from sheep with infectious foot diseases. serotypic analysis of these isolates revealed 21 serotypes (designated i-xxi). these serotypes were compared with british and australian/new zealand b nodosus strains by use of reciprocal tube agglutination tests. these tests, as well as the cross-matching tube agglutination tests of the us serotypes, resulted in arranging the us serotypes into 11 serogroups, and comparing th ...19938368601
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