Funding for this research was provided by:
Health and Welfare SETA
Article History
Received: 29 November 2017
Accepted: 9 May 2018
First Online: 22 May 2018
Compliance with ethical standards
:
: The rearing and slaughter of chickens in this study were approved by the North-West University’s Animal Research Ethics Committee (Approval Number: NWU0052216A9). As such, the investigation has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: The authors declare that they have no conflict of interest.