Mandefro, Ayele https://orcid.org/0000-0003-0778-6723
Sisay, Tesfaye
Kim, Kwan-Suk
Edea, Zewdu
Konwarh, Rocktotpal https://orcid.org/0000-0003-4767-4531
Dadi, Hailu
Article History
Received: 13 November 2020
Accepted: 1 March 2021
First Online: 10 March 2021
Declarations
:
: The animals used in this study were owned by governmental institutions (ranches) established for the purpose of beef, milk, and research. Prior to sampling, the objectives of the investigation were explained to the responsible bodies (ranch managers and experts), and informed consent was obtained to sample the animals. Government veterinary, animal welfare, and health regulations were observed during sampling. The procedure involving sample collection followed the recommendation of directive 2010/63/EU.
: The authors declare no competing interests.