J A Van Wyk
Overview
Explore the profile of J A Van Wyk including associated specialties, affiliations and a list of published articles.
Author names and details appear as published. Due to indexing inconsistencies, multiple individuals may share a name, and a single author may have variations. MedLuna displays this data as publicly available, without modification or verification
Snapshot
Snapshot
Articles
82
Citations
676
Followers
0
Related Specialties
Related Specialties
Top 10 Co-Authors
Top 10 Co-Authors
Published In
Published In
Affiliations
Affiliations
Soon will be listed here.
Recent Articles
21.
Malan F, Van Wyk J, Wessels C
Onderstepoort J Vet Res
. 2002 Jan;
68(3):165-74.
PMID: 11769347
Trials were conducted on a farm in Mpumalanga Province in South Africa to test the possibility of grading the colour of the ocular mucous membranes of sheep as an indication...
22.
Terblanche C, Reynhardt E, Van Wyk J
Solid State Nucl Magn Reson
. 2001 Sep;
20(1-2):1-22.
PMID: 11529416
13C spin-lattice relaxation times in the laboratory frame, ranging from 1.4 to 36 h, have been measured on a suite of five natural type Ia and Ib diamonds at 4.7...
23.
Terblanche C, Reynhardt E, Rakitianski S, Van Wyk J
Solid State Nucl Magn Reson
. 2001 Aug;
19(3-4):107-29.
PMID: 11508805
13C Spin-lattice relaxation (SLR) times in the laboratory frame have been measured at room temperature as a function of field in the range of 500 to 5000 G on two...
24.
SMITH W, Van Wyk J, van Strijp M
Vet Parasitol
. 2001 Jun;
98(4):285-97.
PMID: 11423186
In a trial lasting 11 months in South Africa, faecal egg counts and haematocrits of sheep vaccinated with gut membrane proteins of adult Haemonchus contortus were compared with unvaccinated controls...
25.
Van Wyk J
Onderstepoort J Vet Res
. 2001 Jun;
68(1):55-67.
PMID: 11403431
Anthelmintic resistance involving particularly the gastrointestinal nematodes of small ruminants is escalating globally, to the extent that in certain countries, such as South Africa, it has already reached alarming proportions,...
26.
Van Wyk J, Gerber H
Onderstepoort J Vet Res
. 2000 Oct;
67(2):149-52.
PMID: 11028752
Infective larvae (L3) of two different batches of anthelmintic-susceptible Haemonchus contortus, cryopreserved for 15,6 and 15,7 years in liquid nitrogen appeared dead when examined 10-20 min after thawing. However, having...
27.
Van Wyk J, Gerber H, de Villiers F
Vet Parasitol
. 2000 Mar;
88(3-4):239-47.
PMID: 10714461
After cryopreservation for 13.3-15.8 years, the viability of the infective larvae (L3) of Trichostrongylus axei, T. colubriformis, Oesophagostomum columbianum, Haemonchus contortus, Ostertagia circumcincta, T. falculatus, Nematodirus spathiger, Chabertia ovina and...
28.
29.
Van Wyk J
Onderstepoort J Vet Res
. 2000 Feb;
66(4):285-9.
PMID: 10689701
The infectivity for sheep of cryopreserved infective larvae (L3) of various strains of Haemonchus contortus, Trichostrongylus colubriformis and Trichostrongylus axei is compared using previously published results of trials conducted at...
30.
Van Wyk J, Stenson M, VAN DER MERWE J, Vorster R, Viljoen P
Onderstepoort J Vet Res
. 2000 Feb;
66(4):273-84.
PMID: 10689700
Surveys to determine the prevalence and degree of resistance of Haemonchus spp. of sheep and goats to the available anthelmintics in South Africa indicate that small ruminant production is entering...