References
- Firk , R. , Stamer , E. , Junge , W. and Krieter , J. 2002 . Systematic effects on activity, milk yield, milk flow rate and electrical coductivity . Arch. Tierz., Dummerstorf , 45 ( 3 ) : 213 – 222 .
- Huxley , J. N. , Green , M. J. , Green , L. E. and Bradley , A. J. 2002 . Evaluation of efficacy of an internal sealer during the dry period . J. Dairy Sci. , 85 : 551 – 561 .
- Juozaitiene , V. , Juozaitis , A. and Micikeviciene , R. 2006 . Relationship between somatic cell count and milk production or morphological traits of udder in Black-and- White cows . Turk J. Vet. Anim. Sci. , 30 : 47 – 51 .
- Kaya , A. , Uzmay , C. , Akbas , Y. and Kaya , I. 2002 . Research on various testing procedures and different methods of estimating lactation milk yield in dairy cattle . Turk. J. Vet. Anim. Sci. , 26 ( 1 ) : 193 – 199 .
- Norberg , E. 2005 . Electrical conductivity of milk as a phenotypic and genetic indicator of bovine mastitis: A review . Livest. Prod. Sci. , 96 : 129 – 139 .
- Norman , H. D. , Miller , R. H. , Wright , J. R. and Wiggans , G. R. 2000 . Herd and state means for somatic cell count from dairy herd improvement . J. Dairy Sci. , 83 : 2782 – 2788 .
- Oltenacu , P. A. and Ekesbo , I. 1994 . Epidemiological study of clinical mastitis in dairy cattle . Vet. Res. , 25 ( 2–3 ) : 208 – 212 .
- SAS . 2006 . SAS: Stat Software; Changes and Enhancements , 27513 Cary, NC : SAS Institute Inc., SAS Campus Drive .
- Yalcin , C. , Cevger , Y. , Turkyilmaz , K. and Uysal , G. 2000 . Estimation of milk yield losses from subclinical mastitis in dairy cows . Turk J. Vet. Anim. Sci. , 24 : 599 – 604 . (in Turkish)