References

Barbano, D.M., R.R. Rasmussen and J.M. Lynch, 1991. Influence of milk somatic cell count and milk age on cheese yield. J. Dairy Sci., 74: 369-388.

Bradley, A. and M. Green, 2005. Use and interpretation of somatic cell count data in dairy cows. Practice, 27: 310-315.

Burvenich, C., M.J. Paape, A.W. Hill, A.J. Guidry and R.H. Miller et al., 1994. Role of the neutrophil leucocyte in the local and systemic reactions during experimentally induced E. coli mastitis in cows immediately after calving. Vet. Q., 16: 45-50.
PubMed  |  

Caraviello, D.Z., K.A. Weigel, G.E. Shook and P.L. Ruegg, 2005. Assessment of the impact of somatic cell count on functional longevity in holstein and jersey cattle using survival analysis methodology. J. Dairy Sci., 88: 804-811.
CrossRef  |  Direct Link  |  

Ceron-Munoz, M., H. Tonhati, J. Duarte, J. Oliveira, M. Munoz-Berrocal and H. Jurado-Gamez, 2002. Factors affecting somatic cell counts and their relations with milk and milk constituent yield in buffaloes. J. Dairy Sci., 85: 2885-2889.
CrossRef  |  PubMed  |  Direct Link  |  

Cuccuru C., P. Moroni, A. Zecconi, S. Casu, A. Caria and A. Contini, 1997. Milk differential cell counts in relation to total counts in Sardinian ewes. Small Ruminant Res., 25: 169-173.
CrossRef  |  

Denis, M., N.A. Parlane, S.J. Lacy-Hulbert, E.L. Summers, B.M. Buddle and D.N. Wedlock, 2006. Bactericidal activity of macrophages against Streptococcus uberis is different in mammary gland secretions of lactating and drying off cows. Vet. Immunol. Immunopathol., 114: 111-120.
CrossRef  |  

Dosogne, H., F. Vangroenweghe, J. Mehrzad, A.M. Massart-Leen and C. Burvenich, 2003. Differential leukocyte count method for bovine low somatic cell count milk. J. Dairy Sci., 86: 828-834.
CrossRef  |  Direct Link  |  

Dulin, A.M., M.J. Paape, W.D. Schultze and B.T. Weinland, 1983. Effect of parity, stage of lactation and intramammary infection on concentration of somatic cells and cytoplasmic particles in goat milk. J. Dairy Sci., 66: 2426-2433.
CrossRef  |  

Durr, J.W., R.I. Cue, H.G. Monardes, J. Moro-Mendez and K.M. Wade, 2008. Milk losses associated with somatic cell counts per breed, parity and stage of lactation in Canadian dairy cattle. Livestock Sci., 117: 225-232.
CrossRef  |  

Green, M.J., A.J. Bradley, G.F. Medley and W.J. Browne, 2008. Cow, farm and herd management factors in the dry period associated with raised somatic cell counts in early lactation. J. Dairy Sci., 91: 1403-1415.
CrossRef  |  

Green, M.J., A.J. Bradley, H. Newton and W.J. Browne, 2006. Seasonal variation of bulk milk somatic cell counts in UK dairy herds: Investigations of the summer rise. Prev. Vet. Med., 74: 293-308.
PubMed  |  

Harp, J.A., T.E. Waters and J.P. Goff, 2004. Lymphocyte subsets and adhesion molecule expression in milk and blood of periparturient dairy cattle. Vet. Immunol. Immunopathol., 102: 9-17.
CrossRef  |  

Heuven, H.C.M., H. Bovenhuis and R.D. Politiek, 1988. Inheritance of somatic cell count and its genetic relationship with milk yield in different parities. Livestock Prod. Sci., 18: 115-127.
CrossRef  |  

Jones, G.M., R.E. Pearson, G.A. Clabaugh and C.W. Heald, 1984. Relationships between somatic cell counts and milk production. J. Dairy Sci., 67: 1823-1831.
CrossRef  |  

Laevens, H., H. Deluker, Y.H. Schukken, L. de Meulemeester, R. Vandermeersch, D. Muelenaere and A.E. Kruif, 1997. Influence of parity and stage of lactation on the somatic cell count in bacteriologically negative dairy cows. J. Dairy Sci., 80: 3219-3226.
CrossRef  |  Direct Link  |  

Ma, Y., C. Ryan, D.M. Barbano, D.M. Galton, M.A. Rudan and K.J. Boor, 2000. Effects of somatic cell count on quality and shelf-life of pasteurized fluid milk. J. Dairy Sci., 83: 264-274.
CrossRef  |  PubMed  |  

Meglia, G.E., A. Johannisson, S. Agnas, K. Holtenius and W.K. Persson, 2005. Effects of feeding intensity during the dry period on leukocyte and lymphocyte sub-populations, neutrophil function and health in periparturient dairy cows. Vet. J., 169: 376-384.
CrossRef  |  Direct Link  |  

Miller, R.H., M.J. Paape and J.C. Acton, 1986. Comparison of milk somatic cell counts by coulter and fossomatic counters. J. Dairy Sci., 69: 1942-1946.
CrossRef  |  

Morgante, M., S. Ranucci, M. Pauselli, C. Casoli and E. Duranti, 1996. Total and differential cell count in milk of primiparous Comisana ewes without clinical signs of mastitis. Small Ruminant Res., 21: 265-271.
Direct Link  |  

Mullarky, I.K., C. Su, N. Frieze, Y.H. Park and L.M. Sordillo, 2001. Staphylococcus aureus agr genotypes with enterotoxin production capabilities can resist neutrophil bactericidal activity. Infect. Immun., 69: 45-51.
CrossRef  |  

Paape, M.J. and A.V. Capuco, 1997. Cellular defense mechanisms in the udder and lactation of goats. J. Anim. Sci., 75: 556-565.
PubMed  |  

Rekik, B., N. Ajili, H.B. Hani, A. Ben Gara and H. Rouissi, 2008. Effect of somatic cell count on milk and protein yields and female fertility in Tunisian Holstein dairy cows. Livestock Sci., 106: 309-317.
CrossRef  |  

Rekik, B., N. Ajili, H.B. Hani, A. Ben Gara and H. Rouissi, 2008. Effect of somatic cell count on milk and protein yields and female fertility in Tunisian Holstein dairy cows. Livestock Sci., 106: 309-317.
CrossRef  |  

Schepers, A.J., T.J. Lam, Y.H. Schukken, J.B. Wilmink and W.J. Hanekamp, 1997. Estimation of variance components for somatic cell counts to determine thresholds for uninfected quarters. J. Dairy Sci., 80: 1833-1840.
CrossRef  |  Direct Link  |  

Sheldrake, R.F., R.J.T. Hoare and G.D. McGregor, 1983. Lactation stage, parity and infection affecting somatic cells, electrical conductivity and serum albumin in milk. J. Dairy Sci., 55: 542-547.
CrossRef  |  

Shook, G.E. and M.M. Schutz, 1994. Selection on somatic cell score to improve resistance to mastitis in the United States. J. Dairy Sci., 77: 648-658.
CrossRef  |  

Sordillo, L.M., S.C. Nickerson, R.M. Akers and S.P. Oliver, 1987. Secretion composition during bovine mammary involution and the relationship with mastitis. Int. J. Biochem., 19: 1165-1172.
CrossRef  |  

Wilson D.J., K.N. Stewart and P.M. Sears, 1995. Effects of stage of lactation, production, parity and season on somatic cell counts in infected and uninfected dairy goats. Small Rumin. Res., 16: 165-169.
CrossRef  |  

Zecconi, A., V. Bronzo, R. Piccinini, G. Spreafico and G. Ruffo, 1994. Phagocytic activity of bovine polymorphonuclear neutrophil leucocytes. J. Dairy Res., 61: 271-279.
PubMed  |  

Zeng, S.S. and E.N. Escobar, 1995. Effect of parity and milk production on somatic cell count, standard plate count and composition of goat milk. Small Rumin. Res., 17: 269-274.
CrossRef  |