References
- Eliliott , R. E. W. and Jones , M. A. S. 1971 . Staphlococcal content and leucocyte levels in bovine milk samples submitted for diagnosis . N.Z. vet. J. , 19 : 165 – 165 .
- Hopkirk , C. S. M. and Palmer-Jones , T. 1943 . Mastitis in dairy cows . N.Z. Jl Sci. Tech. , 25A : 49 – 62 .