1. Dairy Products Research Centre, Teagasc, Moorepark, Fermoy, Co. Cork, Ireland
2. Dairy Production Research Centre, Teagasc, Moorepark, Fermoy, Co. Cork, Ireland
3. Department of Microbiology, University College, Cork, Ireland
4. Department of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
5. Alimentary Pharmabiotic Centre, Cork, Ireland