Funding for this research was provided by:
Bill & Melinda Gates Foundation (INV-008124)
Received: 9 February 2021
Accepted: 28 June 2022
First Online: 11 July 2022
: The study received ethical clearance from the International Livestock Research Institute (ILRI) Institutional Research Ethics Committee (IREC) (reference number: ILRI-IREC2018-16/1). All study participants provided informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.