Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1127286)
Biotechnology and Biological Sciences Research Council (BB/P013759/1, BB/N016742/1, BB/GCRF-IAA/25)
Department for International Development (OPP1127286)
Received: 20 December 2018
Accepted: 16 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: All experiments involving use of animals were approved by the International Livestock Research Institute (ILRI) Institutional Animal Care and Use Committee (IACUC) with reference number IACUC-RC2016-11, in compliance with government guidelines on experimental use of animals.
: Not applicable.
: The authors declare that they have no competing interests.