de Villiers, Lourens http://orcid.org/0000-0001-5350-1704
Quan, Melvyn
Troskie, Milana
Jordaan, Joyce C.
Leisewitz, Andrew L.
Funding for this research was provided by:
National Research Foundation of South Africa (CPRR13080726333)
Article History
Received: 3 June 2019
Accepted: 3 October 2019
First Online: 13 November 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with ethical required in terms of the University of Pretoria’s <i>Code of ethics for researchers</i> and the <i>Policy guidelines for responsible research</i> and ethical clearance was granted by the Animal Ethics Committee of the Faculty of Veterinary Science, Onderstepoort (Reference: V060-16).