Last data update: May 13, 2024. (Total: 46773 publications since 2009)
Records 1-3 (of 3 Records) |
Query Trace: Taylor TK[original query] |
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Canine cyanotoxin poisonings in the United States (1920s-2012): review of suspected and confirmed cases from three data sources
Backer LC , Landsberg JH , Miller M , Keel K , Taylor TK . Toxins (Basel) 2013 5 (9) 1597-628 Cyanobacteria (also called blue-green algae) are ubiquitous in aquatic environments. Some species produce potent toxins that can sicken or kill people, domestic animals, and wildlife. Dogs are particularly vulnerable to cyanotoxin poisoning because of their tendency to swim in and drink contaminated water during algal blooms or to ingestalgal mats.. Here, we summarize reports of suspected or confirmed canine cyanotoxin poisonings in the U.S. from three sources: (1) The Harmful Algal Bloom-related Illness Surveillance System (HABISS) of the National Center for Environmental Health (NCEH), Centers for Disease Control and Prevention (CDC); (2) Retrospective case files from a large, regional veterinary hospital in California; and (3) Publicly available scientific and medical manuscripts; written media; and web-based reports from pet owners, veterinarians, and other individuals. We identified 231 discreet cyanobacteria harmful algal bloom (cyanoHAB) events and 368 cases of cyanotoxin poisoning associated with dogs throughout the U.S. between the late 1920s and 2012. The canine cyanotoxin poisoning events reviewed here likely represent a small fraction of cases that occur throughout the U.S. each year. |
Knowledge, attitudes, and practices of veterinary facility owners regarding rabies preexposure prophylaxis-West Virginia, 2011
Taylor TK , Radcliffe RA , Bixler D . J Am Vet Med Assoc 2013 243 (1) 63-7 OBJECTIVE: To assess the knowledge, attitudes, and practices regarding rabies preexposure prophylaxis among veterinary facility owners in West Virginia and to compare facilities in counties where raccoon rabies virus variant (RRVV) is or is not enzootic. DESIGN: Cross-sectional telephone survey. SAMPLE: 124 owners of facilities licensed by the West Virginia Board of Veterinary Medicine. PROCEDURES: In 2011, an owner of each licensed facility in West Virginia was contacted by telephone to complete a questionnaire regarding practice demographics, knowledge of rabies epidemiology, and preexposure prophylaxis policies. Data from facilities in counties where RRVV is enzootic were compared with data from facilities in counties where RRVV is not enzootic. Prevalence ratios and 95% confidence intervals were calculated to quantify the strength of associations. RESULTS: Owners of 124 of the 162 (77%) veterinary facilities participated in the survey. West Virginia veterinarians were knowledgeable of rabies epidemiology in the state. Respondents agreed that veterinarians (122/124 [98%]) and technicians and assistants (111/124 [90%]) should receive preexposure prophylaxis. Fifty-six (45%) respondents required that veterinarians receive preexposure prophylaxis, whereas 19 (15%) respondents required that technicians and assistants receive preexposure prophylaxis. A preexposure prophylaxis policy was in effect at 20 of 64 (31%) facilities in counties where RRVV is enzootic and 6 of 60 (10%) facilities in counties where RRVV is not enzootic. Concerns related to cost of preexposure prophylaxis were reported. CONCLUSIONS AND CLINICAL RELEVANCE: Except for veterinarians, veterinary staff in West Virginia did not commonly receive preexposure prophylaxis or regular assessments of serum rabies virus neutralizing antibody titers. All veterinary practices are encouraged to consider revising or implementing a preexposure prophylaxis policy based on the Advisory Committee on Immunization Practices' recommendations. |
Characterization of novel Brucella strains originating from wild native rodent species in North Queensland, Australia
Tiller RV , Gee JE , Frace MA , Taylor TK , Setubal JC , Hoffmaster AR , De BK . Appl Environ Microbiol 2010 76 (17) 5837-45 We report on the characterization of a group of seven novel Brucella strains isolated in 1964 from three native rodent species in North Queensland, Australia during a survey of wild animals. The strains were initially reported as Brucella suis biovar 3 based on microbiological tests. Our results indicated that the rodent strains had distinct microbiological traits compared to B. suis biovar 3 and all other Brucella spp. To reinvestigate these rodent strains, we sequenced the 16S rRNA gene, recA, rpoB, and nine house-keeping genes, and also performed multiple-locus variable-number tandem-repeat analysis (MLVA). The rodent strains have a unique 16S rRNA gene sequence compared to that of the classical Brucella spp. Sequence analysis of recA, rpoB and nine house-keeping genes reveals that the rodent strains are genetically identical to each other at these loci and divergent from any of the currently described Brucella sequence types. However, all seven of the rodent strains do exhibit distinctive allelic MLVA profiles; though none demonstrated an amplicon for VNTR 7 in comparison to other Brucella spp. Phylogenetic analysis of MLVA data reveals the rodent strains form a distinct clade separate from the classical Brucella spp. Furthermore, whole genome sequence comparison using the maximal unique exact matches index (MUMi), demonstrated a high degree of relatedness of one (NF 2653) of the seven rodent Brucella strains with another Australian rodent Brucella strain 83-13. Our findings strongly suggest that this group of Brucella strains isolated from wild Australian rodents define a new species in the Brucella genus. |
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