A. K. Ali and G. E. Shook, An Optimum Transformation for Somatic Cell Concentration in Milk, Journal of Dairy Science, vol.63, issue.3
DOI : 10.3168/jds.S0022-0302(80)82959-6

D. M. Barbano, R. R. Rasmussen, and J. M. Lynch, Influence of Milk Somatic Cell Count and Milk Age on Cheese Yield, Journal of Dairy Science, vol.74, issue.2, pp.369-388, 1991.
DOI : 10.3168/jds.S0022-0302(91)78179-4

P. C. Bartlett, G. Y. Miller, C. R. Anderson, and J. H. Kirk, Milk Production and Somatic Cell Count in Michigan Dairy Herds, Journal of Dairy Science, vol.73, issue.10, pp.73-2794, 1990.
DOI : 10.3168/jds.S0022-0302(90)78966-7

!. , !. Batra, and T. R. , Relationship of somatic cell concentration with milk yield in dairy cows

F. Beaudeau, P. Hortct, C. Fourichon, and H. Seegers, A method to determine cut-off values in milk somatic cell counts to characterize udder health of dairy cows using test-day results

A. R. Cameron and G. A. Anderson, Relationship between milk production and somatic cell count in dairy cows in East Gippsland, Australian Veterinary Journal, vol.37, issue.1, pp.13-17, 1993.
DOI : 10.1016/0167-5877(91)90005-M

G. A. Clabaugh, G. M. Jones, R. E. Pearson, C. W. Heald, and W. E. Vinson, The effect of DHI somatic cell counts upon milk production, J. Dairy Sci, vol.64

J. B. Coulon, F. Dauver, and J. P. Garel, Changes in somatic cell count in dairy cows free of clinical mastitis, Inra Prod. Anim, vol.9, pp.33-139, 1996.

F. J. Degraves and J. Fetrow, Economics of Mastitis and Mastitis Control, Veterinary Clinics of North America: Food Animal Practice, vol.9, issue.3, pp.21-34, 1993.
DOI : 10.1016/S0749-0720(15)30611-3

H. A. Deluyker, J. M. Gay, and L. D. Weawer, Interrelationships of Somatic Cell Count, Mastitis, and Milk Yield in a Low Somatic Cell Count Herd, Journal of Dairy Science, vol.76, issue.11, pp.76-3445, 1993.
DOI : 10.3168/jds.S0022-0302(93)77683-3

I. Dentine, M. H. Mcdaniel, and B. T. , Evidence for nonlinearity in the relationship between milk and fat yields and the logarithm of the geometric mean of somatic cell counts, J. Dairy Sci, vol.66, p.12, 1983.

L. Dohoo and A. H. Meek, Somatic cell counts in bovine milk, Can. Vet. J, vol.23, pp.119-125, 1982.

!. , !. Dohoo, L. Martin, and S. W. , Disease, production and culling in Holstein-Friesan cows. IV. Effects of disease on production, Prev. Vet. Med, vol.2, pp.755-770, 1984.

L. Dohoo, S. W. Martin, A. H. Meek, and D. Sandals, Disease, production and culling in Holstein-Friesian cows I. The data, Preventive Veterinary Medicine, vol.1, issue.4, pp.321-334, 1983.
DOI : 10.1016/0167-5877(83)90003-X

!. , !. Fabre, J. M. Rousse, P. Concordet, D. Berthelot et al., Connections between individual cell counts and milk production in South-West of france. Critical analysis of usual statistical methods, M6d. V6t, pp.141-361, 1990.

J. Fetrow, D. Mann, K. Butcher, and B. Mcdaniel, Production Losses from Mastitis: Carry-Over from the Previous Lactation, Journal of Dairy Science, vol.74, issue.3, pp.833-839, 1991.
DOI : 10.3168/jds.S0022-0302(91)78232-5

C. H. Fitz-gerald, H. C. Dccth, and B. J. Kitchen, The relationship between the levels of free fatty acids, lipoprotein lipase, carboxolesterase, N-acetyl- Beta-D-,-Iucosaminidase, somatic cell count and other mastitis indices in bovine milk, J. Dairy Res, pp.48-253, 1981.

R. Gill, W. H. Howard, K. E. Leslie, and K. Lisscmorc, Economics of Mastitis Control, Journal of Dairy Science, vol.73, issue.11, pp.73-3340, 1990.
DOI : 10.3168/jds.S0022-0302(90)79029-7

H. Goldstcin, Multilevel Statistical Models, 1995.

R. J. Harmon, Physiology of Mastitis and Factors Affecting Somatic Cell Counts, Journal of Dairy Science, vol.77, issue.7, pp.2103-2112, 1994.
DOI : 10.3168/jds.S0022-0302(94)77153-8

G. M. Jones, R. E. Pearson, G. A. Clabaugh, and C. W. Heald, Relationships Between Somatic Cell Counts and Milk Production, Journal of Dairy Science, vol.67, issue.8, pp.1823-1831, 1984.
DOI : 10.3168/jds.S0022-0302(84)81510-6

H. Laevens, H. Deluyker, Y. H. Schukken, D. Meulemeester, L. Vandenneersch et al., Influence of Parity and Stage of Lactation on the Somatic Cell Count in Bacteriologically Negative Dairy Cows, Journal of Dairy Science, vol.80, issue.12, pp.3219-3226, 1997.
DOI : 10.3168/jds.S0022-0302(97)76295-7

R. H. Miller, M. J. Paape, and J. C. Acton, Comparison of Milk Somatic Cell Counts by Coulter and Fossomatic Counters, Journal of Dairy Science, vol.69, issue.7, pp.1942-1946, 1986.
DOI : 10.3168/jds.S0022-0302(86)80621-X

R. H. Miller, M. J. Paape, and L. A. Fulton, Variation in Milk Somatic Cells of Heifers at First Calving, Journal of Dairy Science, vol.74, issue.11, pp.3782-3790, 0991.
DOI : 10.3168/jds.S0022-0302(91)78570-6

R. H. Miller, M. J. Paape, L. A. Fulton, and M. M. Schutz, The Relationship of Milk Somatic Cell Count to Milk Yields for Holstein Heifers After First Calving, Journal of Dairy Science, vol.76, issue.3, pp.76-728, 1993.
DOI : 10.3168/jds.S0022-0302(93)77396-8

S. C. Murphy, K. Cranker, G. F. Senyk, D. M. Barbano, A. L. Sacman et al., Influence of Bovine Mastitis on Lipolysis and Proteolysis in Milk, Journal of Dairy Science, vol.72, issue.3, pp.72-620, 1989.
DOI : 10.3168/jds.S0022-0302(89)79152-9

K. F. Ng-kwai-hang, J. F. Hayes, S. E. Moxley, and H. G. Monardcs, Variability of Test-Day Milk Production and Composition and Relation of Somatic Cell Counts with Yield and Compositional Changes of Bovine Milk, Journal of Dairy Science, vol.67, issue.2, pp.67-361, 1983.
DOI : 10.3168/jds.S0022-0302(84)81309-0

G. E. Quaassdorff, A. N. Bringe, and G. E. Shook, Relation of sample day milk yield with bacteriological status and somatic cell score, J. Dairy Sci, vol.70, issue.214, 1987.

R. F. Raubertas and G. E. Shook, Relationship Between Lactation Measures of Somatic Cell Concentration and Milk Yield, Journal of Dairy Science, vol.65, issue.3, pp.419-425, 1982.
DOI : 10.3168/jds.S0022-0302(82)82207-8

!. Salsberg, E. Meek, A. H. Martin, and S. W. , Somatic cell counts: associated factors and relationship to production, Can. J. Comp. Med, pp.48-251, 1984.

!. , !. Schalm, and O. W. , Pathologic changes in the milk of udder of cows with mastitis, J. Am. Vet. Med

J. A. [-33j-schepers and A. A. Dijkhuizen, The economics of mastitis and mastitis control in dairy cattle: a critical analysis of estimates published since 1970, Preventive Veterinary Medicine, vol.10, issue.3, pp.213-224, 1970.
DOI : 10.1016/0167-5877(91)90005-M

A. J. Schepers, T. J. Lam, Y. H. Schukken, J. B. Wilmink, and W. J. Hanckamp, Estimation of Variance Components for Somatic Cell Counts to Determine Thresholds for Uninfected Quarters, Journal of Dairy Science, vol.80, issue.8
DOI : 10.3168/jds.S0022-0302(97)76118-6

!. Schukken, Y. H. Leslie, K. E. Weersink, A. J. Martin, and S. W. , Ontario Bulk Milk Somatic Cell Count Reduction Program. 2. Dynamics of Bulk Milk Somatic Cell Counts, Journal of Dairy Science, vol.75, issue.12, pp.75-3359, 1992.
DOI : 10.3168/jds.S0022-0302(92)78112-0

F. Serieys, Relationships between individual milk cell concentration on the susceptibility of cows to intramammary infections and on their milk yicld, V6t, vol.16, pp.271-277, 1985.

K. L. Smith and J. S. Hogan, Environmental Mastitis, Veterinary Clinics of North America: Food Animal Practice, vol.9, issue.3, pp.489-498, 1993.
DOI : 10.1016/S0749-0720(15)30616-2

J. W. Tyler, M. C. Thurmond, and L. Lasslo, Relationship between test-day measures of somatic cell count and milk production in California dairy cows, Can. J. Vet. Res, pp.53-182, 1989.

P. D. Wood and J. M. Booth, Variation in milk cell counts during lactation of British Friesan cattle, Anim. Prod, pp.36-335, 1983.

M. W. Woolford, The relationship between mastitis and milk yield, Kieler Milchwirtschaftl, Fonchungsber, vol.37, pp.224-232, 1985.

B. S. Youl and T. J. Nicholls, The relationship between somatic cell counts and lactation yield of dairy cows, Aust. J. Dairy Technol, pp.68-70, 1988.