Received: 18 July 2019
Accepted: 20 August 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: The Experimental research on sheep comply with international guidelines and have been approved by the international recommendations for the care and use of animals, and both maintenance and feeding were similar for all animals and remained in accordance with proper animal welfare guidelines for the care and use of sheep (Federation of Animal Science Societies, 2010).
: Not applicable
: The authors declare that they have no competing interests.