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Permission to do the study was sought through a written informed consent from the Murang\u2019a County Director of Veterinary Services, and informed verbal consent was obtained from poultry farmers who were willing to participate in the study before the initiation of the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"342"}}