1. 1) Bannerman, D.D., et al. : Escherichia coli and Staphylococcus aureus elicit differential innate immune responses following intramammary infection. Clin. Diagn. Lab. Immunol., 11, 463-472, 2004.
2. 2) Crawley, M. : The R Book. Second Edition. John Wiley & Sons, Ltd, 2013.
3. 3) Dairy Australia. : Use post-milking teat disinfection - spray or dip every teat at every milking. Technote 7, 4-5, 2003.
4. 4) De Vliegher, S., et al. : Invited review : Mastitis in dairy heifers : nature of the disease, potential impact, prevention, and control. J. Dairy Sci., 95 (3), 1025-1040, 2012.
5. 5) Ellis, P.R. : An economic evaluation of the swine fever eradication programme in Great Britain, using cost-benefit analysis techniques. Study No. 11, Department of Agriculture, Reading University, Reading, UK, 1972.