Salmonella can be found in some sheep flocks, possibly contaminating their meat and the farm environment leading to direct and indirect infection of people and animals.
Gellir dod o hyd i Salmonela mewn rhai diadelloedd defaid, o bosibl yn halogi eu cig ac amgylchedd y fferm gan arwain at heintio pobl ac anifeiliaid yn uniongyrchol ac anuniongyrchol.