Edward R Atwill

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc Causal connections between water quality and land use in a rural tropical island watershed: rural tropical island watershed analysis
    Guy Ragosta
    Surfing Medicine International 501 c 3, 5 5785A Kuhio Highway, Hanalei, HI 96714, USA
    Ecohealth 7:105-13. 2010
  2. pmc Prevalence of and associated risk factors for shedding Cryptosporidium parvum oocysts and Giardia cysts within feral pig populations in California
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, Davis 93274, USA
    Appl Environ Microbiol 63:3946-9. 1997
  3. pmc Seasonal shedding of multiple Cryptosporidium genotypes in California ground squirrels (Spermophilus beecheyi)
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, Univeristy of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 70:6748-52. 2004
  4. pmc Transport of Cryptosporidium parvum oocysts through vegetated buffer strips and estimated filtration efficiency
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 68:5517-27. 2002
  5. ncbi request reprint Environmental load of Cryptosporidium parvum oocysts from cattle manure in feedlots from the central and western United States
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, Univ of California Davis, Tulare, CA 93274, USA
    J Environ Qual 35:200-6. 2006
  6. pmc Quantitative shedding of two genotypes of Cryptosporidium parvum in California ground squirrels (Spermophilus beecheyi)
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 67:2840-3. 2001
  7. ncbi request reprint Efficacy of natural grassland buffers for removal of Cryptosporidium parvum in rangeland runoff
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    J Food Prot 69:177-84. 2006
  8. pmc Improved quantitative estimates of low environmental loading and sporadic periparturient shedding of Cryptosporidium parvum in adult beef cattle
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 69:4604-10. 2003
  9. ncbi request reprint Lack of detectable shedding of Cryptosporidium parvum oocysts by periparturient dairy cattle
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    J Parasitol 89:1234-6. 2003
  10. ncbi request reprint Evaluation of methods for improved detection of Cryptosporidium spp. in mussels (Mytilus californianus)
    Woutrina A Miller
    Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, 95616, USA
    J Microbiol Methods 65:367-79. 2006

Collaborators

Detail Information

Publications55

  1. pmc Causal connections between water quality and land use in a rural tropical island watershed: rural tropical island watershed analysis
    Guy Ragosta
    Surfing Medicine International 501 c 3, 5 5785A Kuhio Highway, Hanalei, HI 96714, USA
    Ecohealth 7:105-13. 2010
    ..05). Reducing riparian canopy cover is associated with Enterococcus increases in stream water, suggesting that decreasing riparian vegetation density could increase fecal bacteria surface runoff...
  2. pmc Prevalence of and associated risk factors for shedding Cryptosporidium parvum oocysts and Giardia cysts within feral pig populations in California
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, Davis 93274, USA
    Appl Environ Microbiol 63:3946-9. 1997
    ..cysts among feral pigs. These results suggest that given the propensity for feral pigs to focus their activity in riparian areas, feral pigs may serve as a source of protozoal contamination for surface water...
  3. pmc Seasonal shedding of multiple Cryptosporidium genotypes in California ground squirrels (Spermophilus beecheyi)
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, Univeristy of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 70:6748-52. 2004
    ....
  4. pmc Transport of Cryptosporidium parvum oocysts through vegetated buffer strips and estimated filtration efficiency
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 68:5517-27. 2002
    ..9% of C. parvum oocysts from agricultural runoff generated during events involving mild to moderate precipitation...
  5. ncbi request reprint Environmental load of Cryptosporidium parvum oocysts from cattle manure in feedlots from the central and western United States
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, Univ of California Davis, Tulare, CA 93274, USA
    J Environ Qual 35:200-6. 2006
    ..On average, fresh fecal material from throughout feedlot systems (recent arrivals to nearing slaughter) contained about 1.3 to 3.6 oocysts/g feces, which roughly translates to about 2.8 x 10(4) to 1.4 x 10(5) oocysts/animal per day...
  6. pmc Quantitative shedding of two genotypes of Cryptosporidium parvum in California ground squirrels (Spermophilus beecheyi)
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 67:2840-3. 2001
    ..Higher intensities of shedding by males may enhance dissemination and genotypic mixing of this protozoa given males' proclivity to disperse to nonnatal colonies...
  7. ncbi request reprint Efficacy of natural grassland buffers for removal of Cryptosporidium parvum in rangeland runoff
    Edward R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    J Food Prot 69:177-84. 2006
    ..In conclusion, these results support the assertion that grassland buffers are an effective method for reducing animal agricultural inputs of waterborne C. parvum into drinking and irrigation water supplies...
  8. pmc Improved quantitative estimates of low environmental loading and sporadic periparturient shedding of Cryptosporidium parvum in adult beef cattle
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 69:4604-10. 2003
    ....
  9. ncbi request reprint Lack of detectable shedding of Cryptosporidium parvum oocysts by periparturient dairy cattle
    E R Atwill
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    J Parasitol 89:1234-6. 2003
    ..Using a diagnostic method that can detect as few as 1 oocyst per gram of feces, we found no evidence of C. parvum oocysts in 86 fecal samples collected within 12 hr of calving from 43 dairy cows...
  10. ncbi request reprint Evaluation of methods for improved detection of Cryptosporidium spp. in mussels (Mytilus californianus)
    Woutrina A Miller
    Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, 95616, USA
    J Microbiol Methods 65:367-79. 2006
    ..TaqMan PCR was comparable to conventional PCR for detection of C. parvum oocysts in mussels and additionally allowed for automated testing, high throughput, and semi-quantitative results...
  11. pmc Effect of daily temperature fluctuation during the cool season on the infectivity of Cryptosporidium parvum
    Xunde Li
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
    Appl Environ Microbiol 76:989-93. 2010
    ..9, 28.7, and 71.5 days for the 30, 20, and 10 degrees C thermal regimens, respectively. The loss of infectivity of oocysts induced by these thermal regimens was due in part to partial or complete in vitro excystation...
  12. pmc Climate and on-farm risk factors associated with Giardia duodenalis cysts in storm runoff from California coastal dairies
    Woutrina A Miller
    Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, California 95616, USA
    Appl Environ Microbiol 73:6972-9. 2007
    ..duodenalis cysts. The study findings suggest that vegetated buffer strips, especially when placed near dairy calf areas, should help reduce the environmental loading of these fecal protozoa discharging from dairy farms...
  13. doi request reprint Longitudinal prevalence and molecular typing of Escherichia coli O157:H7 by use of multiple-locus variable-number tandem-repeat analysis and pulsed-field gel electrophoresis in fecal samples collected from a range-based herd of beef cattle in California
    Sonoko Kondo
    Department of Medicine and Epidemiology, University of California Davis, 95616, USA
    Am J Vet Res 71:1339-47. 2010
    ....
  14. ncbi request reprint Seasonal temperature fluctuations induces rapid inactivation of Cryptosporidium parvum
    Xunde Li
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Environ Sci Technol 39:4484-9. 2005
    ..27 log reduction d(-1) for C. parvum oocysts deposited in the feces of cattle...
  15. ncbi request reprint Efficacy of vegetated buffer strips for retaining Cryptosporidium parvum
    Kenneth W Tate
    Department of Agronomy and Range Science, One Shields Avenue, University of California, Davis, CA 95616 8515, USA
    J Environ Qual 33:2243-51. 2004
    ..These results support the use of strategically placed vegetated buffers as one of several management strategies that can reduce the risk of waterborne C. parvum attributable to extensive cattle grazing on annual grassland watersheds...
  16. doi request reprint Prevalence and molecular characterization of Escherichia coli O157:H7 by multiple-locus variable-number tandem repeat analysis and pulsed-field gel electrophoresis in three sheep farming operations in California
    Christopher Kilonzo
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, One Shields Avenue, Davis, California 95616, USA
    J Food Prot 74:1413-21. 2011
    ..This study revealed that the prevalence of E. coli O157:H7 can be high in some sheep ranches in California, especially in feedlots where young sheep are fed predominantly high-grain rations...
  17. doi request reprint Antibiotic-resistant E. coli in surface water and groundwater in dairy operations in Northern California
    Xunde Li
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, One Shields Avenue, Davis, CA, 95616, USA
    Environ Monit Assess 186:1253-60. 2014
    ....
  18. pmc Giardia duodenalis in feedlot cattle from the central and western United States
    Bruce R Hoar
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
    BMC Vet Res 5:37. 2009
    ..duodenalis cysts in fecal material deposited by feedlot cattle in the central and western United States...
  19. ncbi request reprint Clams (Corbicula fluminea) as bioindicators of fecal contamination with Cryptosporidium and Giardia spp. in freshwater ecosystems in California
    Woutrina A Miller
    School of Veterinary Medicine, University of California, Davis, 95616, USA
    Int J Parasitol 35:673-84. 2005
    ..The presence of C. parvum DNA in clams from riverine ecosystems was confirmed with PCR and DNA sequence analysis...
  20. ncbi request reprint New genotypes and factors associated with Cryptosporidium detection in mussels (Mytilus spp.) along the California coast
    W A Miller
    School of Veterinary Medicine, University of California, Davis, CA 95616, USA
    Int J Parasitol 35:1103-13. 2005
    ....
  21. pmc Risk factors for infection with pathogenic and antimicrobial-resistant fecal bacteria in northern elephant seals in California
    Robyn A Stoddard
    Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
    Public Health Rep 123:360-70. 2008
    ..jejuni), Salmonella enterica (Salmonella spp.), and antimicrobial-resistant Escherichia coli (E. coli) infection in northern elephant seals stranded along the California coastline...
  22. doi request reprint Developing risk models of Cryptosporidium transport in soils from vegetated, tilted soilbox experiments
    Thomas Harter
    Dep of Land, Air, and Water, University of California Davis, Davis, California 95616 8628, USA
    J Environ Qual 37:245-58. 2008
    ..The risk assessment is consistent with the reported occurrence of oocysts in springs or groundwater from fractured or karstic rocks protected only by shallow overlying soils...
  23. ncbi request reprint Association of minimum inhibitory concentration cluster patterns with dairy management practices for environmental bacteria isolated from bulk tank milk
    J H Kirk
    Veterinary Medicine Extension, School of Veterinary Medicine, University of California Davis, Tulare 93274, USA
    J Dairy Sci 88:3710-20. 2005
    ..No association was noted for antimicrobial agent treatment of mastitis and the resistance cluster patterns...
  24. ncbi request reprint Colonizing capability of Campylobacter jejuni genotypes from low-prevalence avian species in broiler chickens
    B A McCrea
    Animal Science Department, University of California Davis, California 95616, USA
    J Food Prot 69:417-20. 2006
    ..The level of colonization by the squab isolate on day 2 postinoculation was significantly less than the duck or chicken isolates and had not colonized all birds by day 10 postinoculation...
  25. pmc Multiple unique Cryptosporidium isolates from three species of ground squirrels (Spermophilus beecheyi, S. beldingi, and S. lateralis) in California
    Maria Das Gracas Cabral Pereira
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, California 95616, USA
    Appl Environ Microbiol 76:8269-76. 2010
    ..beecheyi, S. beldingi, and S. lateralis) throughout California, despite some squirrel populations' being geographically isolated. The data support our assertion that Spermophilus squirrels shed novel Cryptosporidium species...
  26. pmc An examination of risk factors associated with beef cattle shedding pathogens of potential zoonotic concern
    B R Hoar
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, 95616, USA
    Epidemiol Infect 127:147-55. 2001
    ..We conclude that this sample of adult beef cattle represent a relatively limited threat to water supplies and subsequent disease transmission to humans from these pathogens...
  27. pmc Fecal shedding of zoonotic food-borne pathogens by wild rodents in a major agricultural region of the central California coast
    Christopher Kilonzo
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
    Appl Environ Microbiol 79:6337-44. 2013
    ..Rodent control efforts that potentially reduce biodiversity may increase pathogen shedding, possibly through promotion of intraspecific microbial transmission. ..
  28. doi request reprint Occurrence of generic Escherichia coli, E. coli O157 and Salmonella spp. in water and sediment from leafy green produce farms and streams on the Central California coast
    Lisa Benjamin
    Western Center for Food Safety, University of California, Davis, 1477 Drew Avenue, Ste 101, Davis, CA 95618, USA
    Int J Food Microbiol 165:65-76. 2013
    ..5-year period and geographical location, generic E. coli would likely be an unreliable indicator bacteria for predicting the presence of these food- and waterborne pathogens in a key produce production environment...
  29. ncbi request reprint Significant Escherichia coli attenuation by vegetative buffers on annual grasslands
    Kenneth W Tate
    Department of Plant Sciences, Mail Stop 1, One Shields Avenue, University of California, Davis, CA 95616 8515, USA
    J Environ Qual 35:795-805. 2006
    ..Buffer efficiency was significantly reduced as runoff increased. These results support the assertion that grassland buffers are an effective method for reducing animal agricultural inputs of waterborne E. coli into surface waters...
  30. doi request reprint Detection of Campylobacter jejuni from the skin of broiler chickens, ducks, squab, quail, and guinea fowl carcasses
    B A McCrea
    Animal Science Department, University of California Davis, Davis, California 95616, USA
    Foodborne Pathog Dis 5:53-7. 2008
    ....
  31. pmc Neonatal-mouse infectivity of intact Cryptosporidium parvum oocysts isolated after optimized in vitro excystation
    L Hou
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, California 93274, USA
    Appl Environ Microbiol 70:642-6. 2004
    ..Excystation should not be considered a valid measure of C. parvum viability, given that it is biologically implausible for oocysts to be nonviable and yet infectious...
  32. ncbi request reprint Management of microbial contamination in storm runoff from California coastal dairy pastures
    David J Lewis
    Univ of California Cooperative Extension Marin, 1682 Novato Blvd, Suite 1508B, Novato, CA 94947, USA
    J Environ Qual 39:1782-9. 2010
    ..These results suggest that there are several management and conservation practices for working farms that may result in reduced FCB fluxes from agricultural operations...
  33. ncbi request reprint Cryptosporidia on dairy farms and the role these farms may have in contaminating surface water supplies in the northeastern United States
    W M Sischo
    Veterinary Medical Teaching and Research Center, University of California, Tulare 93274, USA
    Prev Vet Med 43:253-67. 2000
    ..There were no animal-associated or barnyard-management features associated with detecting cryptosporidia in farm-impacted streams...
  34. doi request reprint Farm factors associated with reducing Cryptosporidium loading in storm runoff from dairies
    W A Miller
    Dep of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, Univ of California, Davis, CA 95616, USA
    J Environ Qual 37:1875-82. 2008
    ..These findings are assisting working dairies in their efforts to improve farm and ecosystem health along the California coast...
  35. ncbi request reprint Persistence of cellulitis-associated Escherichia coli DNA fingerprints in successive broiler chicken flocks
    R S Singer
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
    Vet Microbiol 75:59-71. 2000
    ..coli isolates were associated with cellulitis lesions in successive flocks. Thus, the isolates of E. coli that are associated with cellulitis in broiler chickens appear to be endemic in the litter environment of the broiler house...
  36. ncbi request reprint Reducing microbial contamination in storm runoff from high use areas on California coastal dairies
    D J Lewis
    University of California Cooperative Extension, 1682 Novato Blvd, Suite 150B, Novato, California 94947 4209, USA
    Water Sci Technol 60:1731-43. 2009
    ..This direction is critical and timely for on-farm management efforts seeking to reduce microbial pollution in runoff and comply with indicator bacteria water quality criteria...
  37. pmc A field-suitable, semisolid aerobic enrichment medium for isolation of Campylobacter jejuni in small numbers
    J S Jeffrey
    Departments of Population, Health and Reproduction Veterinary Extension, Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, California 93274, USA
    J Clin Microbiol 38:1668-9. 2000
    ..A semisolid aerobic enrichment medium was developed. Rates of recovery from inoculated medium, sterile swabs, and mixed cultures of C. jejuni and coliform bacteria were tested...
  38. ncbi request reprint Farm and management variables linked to fecal shedding of Campylobacter and Salmonella in commercial squab production
    J S Jeffrey
    Department of Population, Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare 93274, USA
    Poult Sci 80:66-70. 2001
    ..These results emphasize critical control points for food safety pathogens may vary widely, and the formulation of effective QAP programs are dependent on science-based knowledge of diverse animal production systems...
  39. ncbi request reprint Prevalence of pathogenic Escherichia coli in the broiler house environment
    J S Jeffrey
    Department of Population, Health, and Reproduction, University of California Davis, Veterinary Medicine Teaching and Research Center, Tulare, CA 93274, USA
    Avian Dis 48:189-95. 2004
    ..coli. Understanding the composition of E. coli populations in commercial poultry production may have bearing on the epidemiology and control of E. coli related diseases...
  40. ncbi request reprint Effects of an injectable trace mineral supplement on first-service conception rate of dairy cows
    J A Vanegas
    Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare 93274, USA
    J Dairy Sci 87:3665-71. 2004
    ..However, dairy cows receiving a dose of trace minerals before calving and another dose before breeding had lower conception at first service...
  41. ncbi request reprint A prospective study of management and litter variables associated with cellulitis in California broiler flocks
    J S Schrader
    Department of Population, Health, and Reproduction and Veterinary Extension, University of California, Davis, Veterinary Medicine Teaching and Research Center, Tulare, CA 93274, USA
    Avian Dis 48:522-30. 2004
    ..Based on these data and our previous findings, managers would be advised to increase DT between flocks and perform a total clean out of the house when a flock processes with a high incidence of cellulitis...
  42. ncbi request reprint Animal and farm influences on the dynamics of antibiotic resistance in faecal Escherichia coli in young dairy calves
    A C B Berge
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, 18830 Road 112, Tulare, 93274 CA, USA
    Prev Vet Med 69:25-38. 2005
    ..4). E. coli from calves treated with antibiotics within 5 days prior to sampling were also more likely to be increasingly multiply resistant than E. coli from calves not exposed to individual antibiotic therapy (OR = 2.0)...
  43. ncbi request reprint Assessing antibiotic resistance in fecal Escherichia coli in young calves using cluster analysis techniques
    A C B Berge
    Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, 18830 Road 112, Tulare, CA 3274, USA
    Prev Vet Med 61:91-102. 2003
    ..This set of E. coli isolates exhibited a limited set of resistance patterns to the different antibiotics indicating that certain resistance genes may be linked...
  44. ncbi request reprint Prevalence of Campylobacter and Salmonella at a squab (young pigeon) processing plant
    J S Jeffrey
    Department of Population, Health and Reproduction, Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare 93274, USA
    Poult Sci 80:151-5. 2001
    ..No statistical difference in C. jejuni prevalence was observed using either method; however, when the detection limit of each method was determined, single swabs with enrichment had greater sensitivity...
  45. ncbi request reprint Salmonella spp., Vibrio spp., Clostridium perfringens, and Plesiomonas shigelloides in marine and freshwater invertebrates from coastal California ecosystems
    W A Miller
    School of Veterinary Medicine, University of California, Davis, CA 95616, USA
    Microb Ecol 52:198-206. 2006
    ....
  46. ncbi request reprint Linking on-farm dairy management practices to storm-flow fecal coliform loading for California coastal watersheds
    D J Lewis
    University of California Cooperative Extension, Santa Rosa, California, USA
    Environ Monit Assess 107:407-25. 2005
    ..These results are facilitating on-farm changes through the cooperative efforts of dairy managers, regulatory agency staff, and sources of technical and financial assistance...
  47. ncbi request reprint Efficiency for recovering Encephalitozoon intestinalis spores from waters by centrifugation and immunofluorescence microscopy
    Xunde Li
    University of California Davis, School of Veterinary Medicine, Tulare, CA 93274, USA
    J Eukaryot Microbiol 50:579-80. 2003
  48. pmc Epidemiologic trends of rabies in domestic animals in southern Thailand, 1994-2008
    Anyarat Thiptara
    Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, California 95616, USA
    Am J Trop Med Hyg 85:138-45. 2011
    ..60, P = 0.05) or bovine rabies (r = 0.78, P = 0.004). Insufficient vaccination coverage led to maintenance of rabies, which could be easily controlled by increased vaccine coverage and public education...
  49. pmc Selection bias in epidemiological studies of infectious disease using Escherichia coli and avian cellulitis as an example
    R S Singer
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis 95616, USA
    Epidemiol Infect 126:139-45. 2001
    ..coli associated with cellulitis in the flock. We encourage more investigators to critically assess the relationship of the sample to the target population in epidemiological studies of infectious disease...
  50. ncbi request reprint Research notes: Prevalence of selected microbial pathogens in processed poultry waste used as dairy cattle feed
    J S Jeffrey
    Department of Veterinary Medicine Extension, School of Veterinary Medicine, University of California Davis, Veterinary Medical Teaching and Research Center, Tulare 93274, USA
    Poult Sci 77:808-11. 1998
    ..Average dry matter content did not differ between samples. In conclusion, the pathogens under investigation were not detected in processed poultry litter on these California dairy ranches upon arrival at the dairy or 2 to 4 wk later...
  51. pmc Escherichia coli O157:H7 in feral swine near spinach fields and cattle, central California coast
    Michele T Jay
    California Department of Public Health, Richmond, California, USA
    Emerg Infect Dis 13:1908-11. 2007
    ..Isolates from feral swine, cattle, surface water, sediment, and soil at 1 ranch were matched to the outbreak strain...
  52. pmc Capture and retention of Cryptosporidium parvum oocysts by Pseudomonas aeruginosa biofilms
    Kristin E Searcy
    Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
    Appl Environ Microbiol 72:6242-7. 2006
    ..parvum, and this interaction should be taken into consideration when predicting the migration of pathogens in the environment...
  53. pmc Deposition of Cryptosporidium oocysts in streambeds
    Kristin E Searcy
    Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
    Appl Environ Microbiol 72:1810-6. 2006
    ....
  54. pmc Association of Cryptosporidium parvum with suspended particles: impact on oocyst sedimentation
    Kristin E Searcy
    Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA
    Appl Environ Microbiol 71:1072-8. 2005
    ..parvum oocysts with suspended particles enhances the sedimentation of oocysts in natural waters and that this interaction should generally be considered when predicting the migration of pathogens in the environment...
  55. ncbi request reprint Host adaptation and host-parasite co-evolution in Cryptosporidium: implications for taxonomy and public health
    Lihua Xiao
    Division of Parasitic Diseases, Mail Stop F 12, Centers for Disease Control and Prevention, U S PHS DHHS, 4770 Buford Highway, Atlanta, GA 30341, USA
    Int J Parasitol 32:1773-85. 2002
    ..Understanding the evolution of Cryptosporidium species is important not only for clarification of the taxonomy of the parasites but also for assessment of the public health significance of Cryptosporidium parasites from animals...