List of works - Richard W. Gerhold

A novel, simplified technique to amplify Eimeria (Coccidia: Apicomplexa) DNA from oocysts.

scientific article

A partition of Toxoplasma gondii genotypes across spatial gradients and among host species, and decreased parasite diversity towards areas of human settlement in North America

scientific article published on 23 March 2018

Acute onset of encephalomyelitis with atypical lesions associated with dual infection of Sarcocystis neurona and Toxoplasma gondii in a dog.

scientific article published on 16 September 2014

Alternaria Fungal Dermatitis in a Free-ranging Javelina (Pecari tajacu)

scientific article published on 01 July 2011

An Unusual Case of Coccidiosis in Laboratory-Reared Pheasants Resulting from a Breach in Biosecurity

scientific article published on 01 September 2010

Artificially decreased dissolved oxygen increases the persistence of in water

scientific article published on 07 April 2019

Attempts to reproduce vacuolar myelinopathy in domestic swine and chickens.

scientific article

Avian Tuberculosis in a Wild Turkey

scientific article published on 01 March 2005

Avian vacuolar myelinopathy outbreaks at a southeastern reservoir

scientific article published in July 2006

Coccidiosis in the Chukar Partridge ( Alectoris chukar ): A Survey of Coccidiosis Outbreaks and a Test of Anticoccidial Drugs Against Eimeria kofoidi.

scientific article

Construction of PCR primers to detect and distinguish Eimeria spp. in northern bobwhites and a survey of Eimeria on gamebird farms in the United States.

scientific article published on 25 May 2011

Demodectic mange, dermatophilosis, and other parasitic and bacterial dermatologic diseases in free-ranging white-tailed deer (Odocoileus virginianus) in the United States from 1975 to 2012.

scientific article published on 2 August 2013

Diagnosis of Parelaphostrongylus spp. infection as a cause of meningomyelitis in calves.

scientific article published in November 2011

Diseases associated with translocation of captive cervids in North America

article published in 2016

Disseminated toxoplasmosis Toxoplasma gondii in a wild Florida manatee Trichechus manatus latirostris and seroprevalence in two wild populations.

scientific article

Eimeria gilruthi-associated abomasitis in a group of ewes

scientific article published on 19 November 2018

Elaeophora in the meninges of a Malayan sambar (Rusa unicolor equina).

scientific article published on 23 September 2016

Emergence of the arterial worm Elaeophora schneideri in moose (Alces alces) and tabanid fly vectors in northeastern Minnesota, USA

scientific article published on 10 September 2018

Endoparasites of American marten (Martes americana): Review of the literature and parasite survey of reintroduced American marten in Michigan

scientific article published on 14 July 2016

Epidemiology of the lymphatic-dwelling filarioid nematode Rumenfilaria andersoni in free-ranging moose (Alces alces) and other cervids of North America

scientific article

Establishment of culture conditions for survival of Histomonas meleagridis in transit.

scientific article published in June 2010

Examination for double-stranded RNA viruses in Trichomonas gallinae and identification of a novel sequence of a Trichomonas vaginalis virus

scientific article

Frequent cross-species transmission of parvoviruses among diverse carnivore hosts

scientific article

Hemolytic activity of Trichomonas gallinae isolates does not correspond with clinical virulence

scientific article published on 06 November 2008

Histomonas meleagridis and capillarid infection in a captive chukar (Alectoris chukar).

scientific article published in December 2009

Human impact on the diversity and virulence of the ubiquitous zoonotic parasite

article published in the Proceedings of the National Academy of Sciences of the United States of America

Identification of a Novel Renal Coccidian (Apicomplexa: Eimeriidae) from the Great-Horned Owl ( Bubo virginianus ), USA.

scientific article

Immunization of Chukar Partridges Against Coccidia (Eimeria kofoidi and Eimeria legionensis) with Low Doses of Live Oocysts

scientific article published on 01 September 2011

Improved subtyping affords better discrimination of Trichomonas gallinae strains and suggests hybrid lineages

scientific article published on 10 May 2019

Infectious Canine Hepatitis in a Gray Fox (Urocyon cinereoargenteus)

article by Richard W Gerhold et al published October 2007 in Journal of Wildlife Diseases

Investigating seagrass in Toxoplasma gondii transmission in Florida (Trichechus manatus latirostris) and Antillean (T. m. manatus) manatees

scientific article

Johne's disease in a free-ranging white-tailed deer from Virginia and subsequent surveillance for Mycobacterium avium subspecies paratuberculosis

scientific article

Low-Dose Immunization of Northern Bobwhites (Colinus virginianus) with Eimeria lettyae Provides Protection Against a High-Dose Challenge

scientific article published on 01 December 2010

Mercury poisoning in a free-living northern river otter (Lontra canadensis).

scientific article

Molecular characterization of Histomonas meleagridis and other parabasalids in the United States using the 5.8S, ITS-1, and ITS-2 rRNA regions

scientific article published on 3 February 2011

Molecular characterization of the Trichomonas gallinae morphologic complex in the United States.

scientific article published in December 2008

Molecular confirmation of Parelaphostrongylus tenuis Infection in a horse with verminous encephalitis

scientific article published in July 2010

Molecular confirmation of Trichomonas gallinae and other parabasalids from Brazil using the 5.8S and ITS-1 rRNA regions

scientific article published on 9 June 2012

Multilocus Analysis Resolves the European Finch Epidemic Strain of Trichomonas gallinae and Suggests Introgression from Divergent Trichomonads

scientific article published on 01 August 2019

NEWLY DESCRIBED TOXOPLASMA GONDII STRAIN CAUSES HIGH MORTALITY IN RED NECKED WALLABIES (MACROPUS RUFOGRISEUS) IN A ZOO.

scientific article published on September 2017

Naturally occurring Parelaphostrongylus tenuis-associated choriomeningitis in a guinea pig with neurologic signs.

scientific article

Necropsy findings and arbovirus surveillance in mourning doves from the southeastern United States

scientific article published in January 2007

Oocyst Production of Eimeria lettyae in Northern Bobwhites Following Low-Dose Inoculations

article

Parasite infections in nestling red-shouldered hawks (Buteo lineatus) in northeast Wisconsin

scientific article

Parasitic Diseases

Parasitology, virology, and serology of free-ranging coyotes (Canis latrans) from central Georgia, USA.

scientific article published on 6 August 2014

Parelaphostrongylus tenuis Cerebrospinal Nematodiasis in a Horse with Cervical Scoliosis and Meningomyelitis

scientific article published on 20 March 2017

Parelaphostrongylus tenuis-associated meningoencephalitis in a sika deer (Cervus nippon).

scientific article published in January 2010

Partial sequence of the alpha-tubulin gene from Histomonas meleagridis isolates from the United States.

scientific article published on 27 October 2010

Persistence of Two Isolates of Trichomonas gallinae in Simulated Bird Baths With and Without Organic Material

scientific article

Persistence of two Trichomonas gallinae isolates in chlorinated and distilled water with or without organic material

scientific article published in September 2013

Prevalence and Risk Factors of Trichomonas Gallinae and Trichomonosis in Golden Eagle (Aquila chrysaetos) Nestlings in Western North America

scientific article published in October 2018

Prevalence to Toxoplasma gondii and Sarcocystis spp. in a reintroduced fisher (Martes pennanti) population in Pennsylvania

scientific article published on 21 January 2011

Reports of oligodendrogliomas in three white-tailed deer (Odocoileus virginianus).

scientific article published on 6 December 2011

Retrospective study of central nervous system lesions and association with Parelaphostrongylus species by histology and specific nested polymerase chain reaction in domestic camelids and wild ungulates

scientific article published on October 2014

Sarcocystis neurona-associated meningoencephalitis and description of intramuscular sarcocysts in a fisher (Martes pennanti).

scientific article

Serologic survey of antibodies to Trypanosoma cruzi in coyotes and red foxes from Pennsylvania and Tennessee

scientific article published on December 2014

Survey for Trichomonas gallinae in Northern Bobwhites (Colinus virginianus) from the Rolling Plains Ecoregion, Oklahoma and Texas, USA.

scientific article published on 14 May 2015

Survey of Baylisascaris spp. in Eastern Tennessee Wildlife and Detection of Baylisascaris spp. Eggs in Virginia Opossum ( Didelphis virginiana) Feces

scientific article published on 14 June 2018

Survey of antibodies to Leishmania spp. in wild canids from Pennsylvania and Tennessee

scientific article published in December 2013

Tetratrichomonas and Trichomonas spp.-Associated Disease in Free-Ranging Common Eiders ( Somateria mollissima) from Wellfleet Bay, MA and Description of ITS1 Region Genotypes.

scientific article published in March 2018

The efficacy of anticoccidial products against Eimeria spp. in northern bobwhites

scientific article (publication date: March 2011)

Toxoplasma gondii seroprevalence and genotype diversity in select wildlife species from the southeastern United States

scientific article published on 23 October 2017

Toxoplasmosis in a red-bellied woodpecker (Melanerpes carolinus).

scientific article published in December 2007

Trichomonas gallinae Persistence in Four Water Treatments

scientific article published on 28 April 2015

Trichomonas gallinaePersistence in Water with pH and Organic Material Variance

article

Trichomonas stableri n. sp., an agent of trichomonosis in Pacific Coast band-tailed pigeons (Patagioenas fasciata monilis).

scientific article

Trichomonosis in free-ranging Eurasian collared doves (Streptopelia decaocto) and African collared dove hybrids (Streptopelia risoria) in the Caribbean and description of ITS-1 region genotypes.

scientific article

Use of FTA technology for detection of Trichomonas gallinae

scientific article published on 20 July 2015

What is your diagnosis? Blood film from a Black bear (Ursus americanus )

scientific article published on 26 July 2017

List of works by Richard W. Gerhold

A novel, simplified technique to amplify Eimeria (Coccidia: Apicomplexa) DNA from oocysts.

A partition of Toxoplasma gondii genotypes across spatial gradients and among host species, and decreased parasite diversity towards areas of human settlement in North America

Acute onset of encephalomyelitis with atypical lesions associated with dual infection of Sarcocystis neurona and Toxoplasma gondii in a dog.

Alternaria Fungal Dermatitis in a Free-ranging Javelina (Pecari tajacu)

An Unusual Case of Coccidiosis in Laboratory-Reared Pheasants Resulting from a Breach in Biosecurity

Artificially decreased dissolved oxygen increases the persistence of in water

Attempts to reproduce vacuolar myelinopathy in domestic swine and chickens.

Avian Tuberculosis in a Wild Turkey

Avian vacuolar myelinopathy outbreaks at a southeastern reservoir

Coccidiosis in the Chukar Partridge ( Alectoris chukar ): A Survey of Coccidiosis Outbreaks and a Test of Anticoccidial Drugs Against Eimeria kofoidi.

Construction of PCR primers to detect and distinguish Eimeria spp. in northern bobwhites and a survey of Eimeria on gamebird farms in the United States.

Demodectic mange, dermatophilosis, and other parasitic and bacterial dermatologic diseases in free-ranging white-tailed deer (Odocoileus virginianus) in the United States from 1975 to 2012.

Diagnosis of Parelaphostrongylus spp. infection as a cause of meningomyelitis in calves.

Diseases associated with translocation of captive cervids in North America

Disseminated toxoplasmosis Toxoplasma gondii in a wild Florida manatee Trichechus manatus latirostris and seroprevalence in two wild populations.

Eimeria gilruthi-associated abomasitis in a group of ewes

Elaeophora in the meninges of a Malayan sambar (Rusa unicolor equina).

Emergence of the arterial worm Elaeophora schneideri in moose (Alces alces) and tabanid fly vectors in northeastern Minnesota, USA

Endoparasites of American marten (Martes americana): Review of the literature and parasite survey of reintroduced American marten in Michigan

Epidemiology of the lymphatic-dwelling filarioid nematode Rumenfilaria andersoni in free-ranging moose (Alces alces) and other cervids of North America

Establishment of culture conditions for survival of Histomonas meleagridis in transit.

Examination for double-stranded RNA viruses in Trichomonas gallinae and identification of a novel sequence of a Trichomonas vaginalis virus

Frequent cross-species transmission of parvoviruses among diverse carnivore hosts

Hemolytic activity of Trichomonas gallinae isolates does not correspond with clinical virulence

Histomonas meleagridis and capillarid infection in a captive chukar (Alectoris chukar).

Human impact on the diversity and virulence of the ubiquitous zoonotic parasite

Identification of a Novel Renal Coccidian (Apicomplexa: Eimeriidae) from the Great-Horned Owl ( Bubo virginianus ), USA.

Immunization of Chukar Partridges Against Coccidia (Eimeria kofoidi and Eimeria legionensis) with Low Doses of Live Oocysts

Improved subtyping affords better discrimination of Trichomonas gallinae strains and suggests hybrid lineages

Infectious Canine Hepatitis in a Gray Fox (Urocyon cinereoargenteus)

Investigating seagrass in Toxoplasma gondii transmission in Florida (Trichechus manatus latirostris) and Antillean (T. m. manatus) manatees

Johne's disease in a free-ranging white-tailed deer from Virginia and subsequent surveillance for Mycobacterium avium subspecies paratuberculosis

Low-Dose Immunization of Northern Bobwhites (Colinus virginianus) with Eimeria lettyae Provides Protection Against a High-Dose Challenge

Mercury poisoning in a free-living northern river otter (Lontra canadensis).

Molecular characterization of Histomonas meleagridis and other parabasalids in the United States using the 5.8S, ITS-1, and ITS-2 rRNA regions

Molecular characterization of the Trichomonas gallinae morphologic complex in the United States.

Molecular confirmation of Parelaphostrongylus tenuis Infection in a horse with verminous encephalitis

Molecular confirmation of Trichomonas gallinae and other parabasalids from Brazil using the 5.8S and ITS-1 rRNA regions

Multilocus Analysis Resolves the European Finch Epidemic Strain of Trichomonas gallinae and Suggests Introgression from Divergent Trichomonads

NEWLY DESCRIBED TOXOPLASMA GONDII STRAIN CAUSES HIGH MORTALITY IN RED NECKED WALLABIES (MACROPUS RUFOGRISEUS) IN A ZOO.

Naturally occurring Parelaphostrongylus tenuis-associated choriomeningitis in a guinea pig with neurologic signs.

Necropsy findings and arbovirus surveillance in mourning doves from the southeastern United States

Oocyst Production of Eimeria lettyae in Northern Bobwhites Following Low-Dose Inoculations

Parasite infections in nestling red-shouldered hawks (Buteo lineatus) in northeast Wisconsin

Parasitic Diseases

Parasitology, virology, and serology of free-ranging coyotes (Canis latrans) from central Georgia, USA.

Parelaphostrongylus tenuis Cerebrospinal Nematodiasis in a Horse with Cervical Scoliosis and Meningomyelitis

Parelaphostrongylus tenuis-associated meningoencephalitis in a sika deer (Cervus nippon).

Partial sequence of the alpha-tubulin gene from Histomonas meleagridis isolates from the United States.

Persistence of Two Isolates of Trichomonas gallinae in Simulated Bird Baths With and Without Organic Material

Persistence of two Trichomonas gallinae isolates in chlorinated and distilled water with or without organic material

Prevalence and Risk Factors of Trichomonas Gallinae and Trichomonosis in Golden Eagle (Aquila chrysaetos) Nestlings in Western North America

Prevalence to Toxoplasma gondii and Sarcocystis spp. in a reintroduced fisher (Martes pennanti) population in Pennsylvania

Reports of oligodendrogliomas in three white-tailed deer (Odocoileus virginianus).

Retrospective study of central nervous system lesions and association with Parelaphostrongylus species by histology and specific nested polymerase chain reaction in domestic camelids and wild ungulates

Sarcocystis neurona-associated meningoencephalitis and description of intramuscular sarcocysts in a fisher (Martes pennanti).

Serologic survey of antibodies to Trypanosoma cruzi in coyotes and red foxes from Pennsylvania and Tennessee

Survey for Trichomonas gallinae in Northern Bobwhites (Colinus virginianus) from the Rolling Plains Ecoregion, Oklahoma and Texas, USA.

Survey of Baylisascaris spp. in Eastern Tennessee Wildlife and Detection of Baylisascaris spp. Eggs in Virginia Opossum ( Didelphis virginiana) Feces

Survey of antibodies to Leishmania spp. in wild canids from Pennsylvania and Tennessee

Tetratrichomonas and Trichomonas spp.-Associated Disease in Free-Ranging Common Eiders ( Somateria mollissima) from Wellfleet Bay, MA and Description of ITS1 Region Genotypes.

The efficacy of anticoccidial products against Eimeria spp. in northern bobwhites

Toxoplasma gondii seroprevalence and genotype diversity in select wildlife species from the southeastern United States

Toxoplasmosis in a red-bellied woodpecker (Melanerpes carolinus).

Trichomonas gallinae Persistence in Four Water Treatments

Trichomonas gallinaePersistence in Water with pH and Organic Material Variance

Trichomonas stableri n. sp., an agent of trichomonosis in Pacific Coast band-tailed pigeons (Patagioenas fasciata monilis).

Trichomonosis in free-ranging Eurasian collared doves (Streptopelia decaocto) and African collared dove hybrids (Streptopelia risoria) in the Caribbean and description of ITS-1 region genotypes.

Use of FTA technology for detection of Trichomonas gallinae

What is your diagnosis? Blood film from a Black bear (Ursus americanus )