Manyeula, Freddy
Mlambo, Victor
Marume, Upenyu
Sebola, Nthabiseng A.
Article History
Received: 16 October 2018
Accepted: 28 May 2019
First Online: 6 June 2019
Compliance with ethical standards
: The management and care of PK cockerels were performed following the ethical guidelines of the North-West University Institution Research Ethics Regulatory Committee that approved the protocol used herein.
: The authors declare that they have no competing interests.