J. Van Heerden
Stellenbosch University
41 Papers
360 Citations
J. Van Heerden is an academic researcher from Stellenbosch University. The author has contributed to research in topics: Grazing & Pasture. The author has an hindex of 12, co-authored 41 publications.
Chat about Author
Papers
•Journal Article
An investigation into the health status and diseases of wild dogs (Lycaon pictus) in the Kruger National Park.
TL;DR: Disease preventive measures should include preclusion of domestic dogs from wild dog habitats and implementation of vaccination I and parasite control programmes in domestic dogs in areas surrounding .
106
Detection and characterisation of papillomavirus in skin lesions of giraffe and sable antelope in South Africa
E. Van Dyk,Anna-Mari Bosman,E. Van Wilpe,James Williams,R. G. Bengis,J. Van Heerden,Estelle Hildegard Venter +6 more
TL;DR: Papillomavirus was detected electron microscopically in cutaneous fibropapillomas of a giraffe and a sable antelope and revealed locally malignant pleomorphism, possibly indicating the lesional end-point of papilloma infection.
•Journal Article
Seroepidemiological survey of sympatric domestic and wild dogs (Lycaon pictus) in Tsumkwe District, north-eastern Namibia
TL;DR: A cross-sectional serological survey of canine pathogens carried out in domestic and wild dogs in Tsumkwe District, northeastern Namibia finds evidence of past exposure to canine distemper virus, canine adenovirus and parainfluenza virus was evident in both wild and domestic dogs.
•Journal Article
Clinical and biochemistry findings, and parathyroid hormone concentrations in three horses with secondary hyperparathyroidism.
TL;DR: Three cases of horses with nutritional secondary hyperparathyroidism (NSH) are described and laboratory findings included elevated concentrations of parathyroid hormone, alkaline phosphatase and an increase in the fractional excretion rate of serum inorganic phosphorus.
35
Pathology and immunohistochemistry of papillomavirus-associated cutaneous lesions in Cape mountain zebra, giraffe, sable antelope and African buffalo in South Africa.
J.H. Williams,E. Van Dyk,Pierre J. Nel,Emily P. Lane,E. Van Wilpe,R. G. Bengis,L-M. de Klerk-Lorist,J. Van Heerden +7 more
TL;DR: The macro- scopic and histological appearance of BPV-associated papillomatous, fibropapillumatous or sarcoid-like lesions in Cape mountain zebra, 2 giraffes, and a sable antelope from the Kimberley area of South Africa are described and the immunohistochemistry illustrated for comparison.