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Animal Science and Veterinary

D-Index
26
Citations
4295
World Ranking
2854
National Ranking
30

Overview

J.A. Van Wyk is affiliated with the University of Pretoria in South Africa, with a primary research focus in Agricultural and Biological Sciences. Their work spans several subfields including Agronomy and Crop Science, Small Animals, Ecology, Evolution, Behavior and Systematics, Plant Science, and Ecology.

Their research interests cover a range of topics related to animal and environmental health, with particular attention to Animal Disease Management and Epidemiology, Ruminant Nutrition and Digestive Physiology, Animal Behavior and Welfare Studies, Effects of Environmental Stressors on Livestock, Helminth Infection and Control, Parasitic Infections and Diagnostics, and Plant and Fungal Interactions.

Van Wyk has contributed to multiple publications, predominantly in journals such as Agriculture, Preprints.org, Veterinary Parasitology, Veterinary Clinics of North America Food Animal Practice, and Small Ruminant Research. The pattern of publication indicates a focus on veterinary parasitology and livestock management.

Recent papers authored or co-authored by Van Wyk include:

  • Refugia-Based Strategies for Parasite Control in Livestock, 2020, Veterinary Clinics of North America Food Animal Practice
  • Goat Health and Management for Improved Smallholders' Livelihoods in Central Malawi - A Socioeconomic Analysis of Rural Households, 2023, Small Ruminant Research
  • World Association for the Advancement of Veterinary Parasitology (W.A.A.V.P.): Third Edition of the Guideline for Evaluating Efficacy of Anthelmintics in Ruminants (Bovine, Ovine, Caprine), 2024, Veterinary Parasitology
  • Site-Specific Forage Management of Sericea Lespedeza: Geospatial Technology-Based Forage Quality and Yield Enhancement Model Development, 2020, Agriculture
  • Development of a Decision Support System for Animal Health Management Using Geo-Information Technology: A Novel Approach to Precision Livestock Management, 2024, Agriculture

Frequent collaborators in Van Wyk's research include Eric R. Morgan, Thomas H Terrill, Sudhanshu Panda, Aftab Siddique, and Ajit K. Mahapatra. These partnerships suggest an interdisciplinary approach integrating veterinary parasitology, animal health, and agricultural technologies.

Publication venues where Van Wyk's work appears most often are:

  • Agriculture
  • Preprints.org
  • Veterinary Parasitology
  • Veterinary Clinics of North America Food Animal Practice
  • Small Ruminant Research

Their research contributes to advancing knowledge in livestock health and management, particularly through the application of geospatial technologies and decision support systems for precision livestock management.

Best Publications

  • Refugia--overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance.

    J A van Wyk

  • Morphological identification of nematode larvae of small ruminants and cattle simplified.

    J A van Wyk;J Cabaret;L M Michael

  • The Pathophysiology, Ecology and Epidemiology of Haemonchus contortus Infection in Small Ruminants

    R B Besier;Lewis Kahn;N D Sargison;J A Van Wyk

  • Resistance of field strains of Haemonchus contortus to ivermectin, closantel, rafoxanide and the benzimidazoles in South Africa

    J A van Wyk;F S Malan

  • Targeted selective treatment for worm management—How do we sell rational programs to farmers?

    J.A. van Wyk;H. Hoste;R.M. Kaplan;R.B. Besier

  • How long before resistance makes it impossible to control some field strains of Haemonchus contortus in South Africa with any of the modern anthelmintics

    J.A. van Wyk;F.S. Malan;J.L. Randles

  • Diagnosis, Treatment and Management of Haemonchus contortus in Small Ruminants

    R B Besier;Lewis Kahn;N D Sargison;J A Van Wyk

  • Clinical evaluation of anaemia in sheep: early trials.

    F S Malan;J A Van Wyk;C D Wessels

  • Haemonchus contortus and Haemonchosis – Past, Present and Future Trends

    R B Besier;L P Kahn;Neil Sargison;J A Van Wyk

  • The Five Point Check© for targeted selective treatment of internal parasites in small ruminants☆

    G.F. Bath;J.A. van Wyk

  • Genetic parameters for FAMACHA score and related traits for host resistance/resilience and production at differing severities of worm challenge in a Merino flock in South Africa.

    D.G. Riley;J.A. Van Wyk

  • Sustainable approaches for managing haemonchosis in sheep and goat

    G.F. Barth;Rome . Animal Production Fao;J.W. Hansen

  • A novel approach to the control of anthelmintic-resistant Haemonchus contortus in sheep

    J.A. Van Wyk;P.C. Van Schalkwyk

  • Preliminary observations on the potential of gut membrane proteins of Haemonchus contortus as candidate vaccine antigens in sheep on naturally infected pasture.

    W.D Smith;J.A van Wyk;M.F van Strijp

  • Validation of the FAMACHA© eye colour chart using sensitivity/specificity analysis on two South African sheep farms.

    D.P. Reynecke;J.A. Van Wyk;Bruce Gummow;Bruce Gummow;P. Dorny

  • Two field strains of Haemonchus contortus resistant to rafoxanide.

    J. A. Van Wyk;F. S. Malan;H. M. Gerber;Regina M. R. Alves

  • Alternativas para o controle de nematoides gastrintestinais de pequenos ruminantes

    M. B. Molento;C. J. Veríssimo;A. T. Amarante;J. A. van Wyk

  • Control measures for some important and unusual goat diseases in southern Africa.

    G.F. Bath;J.A. van Wyk;K.P. Pettey

  • Wildlife parasites: Lessons for parasite control in livestock

    F.S. Malan;I.G. Horak;V. de Vos;V. de Vos;J.A. van Wyk

  • Moisture requirements for the migration of Haemonchus contortus third stage larvae out of faeces

    Tong Wang;J.A. van Wyk;A. Morrison;E.R. Morgan

  • Correspondence : a critique : to the editor

    J.A. Van Wyk;Cheryl M.E. McCrindle

Frequent Co-Authors

Jacques Cabaret
Jacques Cabaret INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Gerald C. Coles
Gerald C. Coles University of Bristol
Neil Sargison
Neil Sargison University of Edinburgh
Rosina C. Krecek
Rosina C. Krecek University of Johannesburg
Marcelo Beltrão Molento
Marcelo Beltrão Molento Federal University of Paraná
Eric R. Morgan
Eric R. Morgan Queen's University Belfast
Ana Carolina de Souza Chagas
Ana Carolina de Souza Chagas Brazilian Agricultural Research Corporation
Marián Várady
Marián Várady Slovak Academy of Sciences
Jozef Vercruysse
Jozef Vercruysse Ghent University
Giuseppe Cringoli
Giuseppe Cringoli University of Naples Federico II

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Related Online Degrees & Career Pathways

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