World's Best Scientists 2026 revealed!

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Animal Science and Veterinary

D-Index
62
Citations
10366
World Ranking
297
National Ranking
32

Microbiology

D-Index
62
Citations
10216
World Ranking
2934
National Ranking
262

Overview

Alexander J. Trees is affiliated with the University of Liverpool in the United Kingdom. Their research spans multiple areas within medicine, focusing primarily on epidemiology and public health, with further specialization in virology and dermatology.

Their recent publications cover various aspects of public health and medical treatment. Notable papers include:

  • United Against Rabies Forum: The One Health Concept at Work (2022) published in Frontiers in Public Health
  • Treatment of disseminated granuloma annulare with pulse therapy upadacitinib (2024) published in Dermatology Online Journal
  • We must take a One Health approach to improve pandemic infection control (2020) published in Veterinary Record

The core areas of study for Alexander J. Trees are medicine with an emphasis on epidemiology, public health, environmental and occupational health, virology, dermatology, and agronomy and crop science. Their work focuses on topics such as zoonotic diseases and public health, rabies epidemiology and control, virology and viral diseases, skin diseases and diabetes, autoimmune and inflammatory disorders, inflammatory myopathies and dermatomyositis, as well as animal disease management and epidemiology.

Frequent co-authors collaborating with Trees include Rachel Tidman, SM Thumbi, Ryan M. Wallace, Katinka De Balogh, and Vivian Iwar.

Their publications have appeared in several peer-reviewed journals, primarily Frontiers in Public Health, Dermatology Online Journal, and Veterinary Record.

Best Publications

  • Estimation of vertical and horizontal transmission parameters of Neospora caninum infections in dairy cattle.

    H.C Davison;A Otter;A.J Trees

  • Redescription of Neospora caninum and its differentiation from related coccidia.

    J P Dubey;B C Barr;J R Barta;I Bjerkås

  • Neospora caninum -associated abortion in cattle: the time of experimentally-induced parasitaemia during gestation determines foetal survival

    D. J. L. Williams;C. S. Guy;J. W. McGARRY;F. Guy

  • Wolbachia in filarial nematodes: evolutionary aspects and implications for the pathogenesis and treatment of filarial diseases.

    Claudio Bandi;Alexander J Trees;Norbert W Brattig

  • Comparative Genomics of the Apicomplexan Parasites Toxoplasma gondii and Neospora caninum: Coccidia Differing in Host Range and Transmission Strategy

    Adam James Reid;Sarah J. Vermont;James A. Cotton;David Harris

  • Endogenous and exogenous transplacental infection in Neospora caninum and Toxoplasma gondii

    Alexander J. Trees;Diana J.L. Williams

  • Analysis of gene expression from the Wolbachia genome of a filarial nematode supports both metabolic and defensive roles within the symbiosis.

    Alistair C. Darby;Stuart D. Armstrong;Germanus S. Bah;Gaganjot Kaur

  • Clinical aspects of 27 cases of neosporosis in dogs

    J. S. Barber;A. J. Trees

  • Macrofilaricidal activity of tetracycline against the filarial nematode Onchocerca ochengi: elimination of Wolbachia precedes worm death and suggests a dependent relationship

    N. G. Langworthy;A. Renz;U. Mackenstedt;K. Henkle–Dührsen

  • Tapeworm infection is a significant risk factor for spasmodic colic and ileal impaction colic in the horse.

    C. J. Proudman;N. P. French;A. J. Trees

  • Towards evaluating the economic impact of bovine neosporosis.

    A.J Trees;H.C Davison;E.A Innes;J.M Wastling

  • Neospora caninum in persistently infected, pregnant cows: spontaneous transplacental infection is associated with an acute increase in maternal antibody.

    C S Guy;Williams Djl;D F Kelly;J W McGarry

  • Prevalence of antibodies to Neospora caninum in different canid populations.

    J. S. Barber;R. B. Gasser;R. B. Gasser;J. Ellis;J. Ellis;M. P. Reichel;M. P. Reichel

  • Systematic review of the distribution of the major vector-borne parasitic infections in dogs and cats in Europe

    L. A. Trotz-Williams;Alexander J. Trees

  • Neospora caninum in dogs: detection of antibodies by ELISA using an iscom antigen

    C. Björkman;A. Lundén;J. Holmdahl;J. Barber

  • Prevalence of antibodies to Neospora caninum in a population of urban dogs in England

    AJ Trees;F Guy;BJ Tennant;AH Balfour

  • Immunization of cattle with live tachyzoites of Neospora caninum confers protection against fetal death

    Diana J.L. Williams;C. S. Guy;R. F. Smith;J. Ellis

  • Genotyping of Toxoplasma gondii associated with abortion in sheep.

    M. R. Owen;A. J. Trees

  • Naturally occurring vertical transmission of Neospora caninum in dogs.

    J.S. Barber;A.J. Trees;A.J. Trees

  • Of Mice, Cattle, and Humans: The Immunology and Treatment of River Blindness

    Judith E. Allen;Ohene Adjei;Odile Bain;Achim Hoerauf

  • Characterization of the first European isolate of Neospora caninum (Dubey, Carpenter, Speer, Topper and Uggla)

    J. S. Barber;O. J. M. Holmdahl;M. R. Owen;F. Guy

  • Experimental Neosporosis in Pregnant Ewes and Their Offspring

    M. M. McAllister;A. M. McGuire;W. R. Jolley;D. S. Lindsay

  • Novel ELISA for detection of Neospora-specific antibodies in cattle

    D. J. L. Williams;J. McGarry;F. Guy;J. Barber

  • The extent of parasite-associated necrosis in the placenta and foetal tissues of cattle following Neospora caninum infection in early and late gestation correlates with foetal death.

    E. Helen Gibney;Anja Kipar;Anne Rosbottom;Catherine S. Guy

  • Correlation of antigen specific IgG and IgG(T) responses with Anoplocephala perfoliata infection intensity in the horse

    C.J. Proudman;A.J. Trees

  • Vector-borne diseases--constant challenge for practicing veterinarians: recommendations from the CVBD World Forum.

    Gad Baneth;Patrick Bourdeau;Gilles Bourdoiseau;Dwight Bowman

  • Use of excretory/secretory antigens for the serodiagnosis of Anoplocephala perfoliata cestodosis.

    C.J. Proudman;A.J. Trees

  • Protracted Shedding of Oocysts of Neospora caninum by a Naturally Infected Foxhound

    J.W. McGarry;C. M. Stockton;Diana J.L. Williams;Alexander J. Trees

  • Cattle protected from onchocerciasis by ivermectin are highly susceptible to infection after drug withdrawal.

    L.M. Njongmeta;C.K. Nfon;J. Gilbert;Benjamin L. Makepeace

Frequent Co-Authors

Diana L. Williams
Diana L. Williams University of Liverpool
Robert Smith
Robert Smith University of Liverpool
Camilla Björkman
Camilla Björkman Swedish University of Agricultural Sciences
Milton M. McAllister
Milton M. McAllister University of Adelaide
Jitender P. Dubey
Jitender P. Dubey Agricultural Research Service
John Ellis
John Ellis University of Technology Sydney
Sara Lustigman
Sara Lustigman New York Blood Center
Anja Kipar
Anja Kipar University of Zurich
Steven A. Williams
Steven A. Williams Smith College
David S. Lindsay
David S. Lindsay Virginia Tech

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Related Online Degrees & Career Pathways

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Advancing further, a doctorate in counseling online prepares individuals for leadership roles in behavioral sciences, which can complement veterinary practices focusing on animal behavior and welfare.

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Additionally, skills learned in these programs can support paths like becoming an athletic director jobs where managing animal-assisted therapy programs or overseeing sports animals requires leadership and organizational expertise.

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