Asadallahpor Nanaei H., Edriss M. A., Ansari Mahyari S., Rahmani H. R. and Sayed Tabatabaei B. E. 2012. Lactoferrin gene polymorphism of Holstein cows in Isfahan province. Annals of Biological Research, 3: 2365-2367.

Chaneton L., Tirante L., Maito J., Chaves J. and Bussmann L. E. 2008. Relationship between milk lactoferrin and etiological agent in the mastitic bovine mammary gland. Journal of Dairy Science, 91: 1865-1873.

Elbers A. R. W., Miltenburg J. D., De Lange D., Crauwels A. P. P., Barkema H. W. and Schukken Y. H. 1998. Risk factors for clinical mastitis in a random sample of dairy herds from the southern part of the Netherlands. Journal of Dairy Science, 81: 420-426.

Emanuelson U., Danell B. and Philipsson J. 1988. Genetic parameters for clinical mastitis, somatic cell counts, and milk production estimated by multiple-trait restricted maximum likelihood. Journal of Dairy Science, 71: 467–476.

Kelm S., Pelz A., Schauer R., Filbin M. T., Tang S., De Bellard M. E., Schnaar R. L., Mahoney J. A., Hartnell A., Bradfield  P. and Crocker P. R. 1994. Sialoadhesin, myelin-associated glycoprotein and CD22 define a new family of sialic acid-dependent adhesion molecules of the immunoglobulin superfamily. Current Biology, 4: 965-972.

Kutila T. 2004. Role of lactoferrin in treatment of bovine mastitis. Ph.D. dissertation, University of Helsinki, Finland, 57.

Martins A. M., Silvestre A. M., Petim-Batista M. F. and Colaço J. A. 2011. Somatic cell score genetic parameter estimates of dairy cattle in Portugal using fractional polynomials. Journal Animal Science, 89: 1281-1285.

Miller S. A., Dykes D. D. and Polesky H. F. 1988. A simple salting out procedure for extracting DNA from human nucleated cells. Nucleic Acid Research, 16: 1215.

SAS: Statistical Analysis System for Windows (Release 9.1). 2002. SAS Institute Inc., Raleigh, North Carolina, USA.

Schwerin M., Solinas-Toldo S., Eggen A., Brunner R., Seyfert H. M. and Fries R. 1994. The bovine lactoferrin gene (LTF) maps to chromosome 22 and syntenic group U12. Mammalian Genome, 5: 486-9.

Sender G., Korwin-kossakowska A., Galal K. and Prusak B. 2006. Ocenawpływupolimorfizmuwybranychgenównawystępowanie mastitis u krów. MedycynaWeterynaryjna, 62: 563-565.

Seyfert H. M. and Kuhn C. 1994. Characterization of a first bovine lactoferrin gene variant, based on an EcoRI polymorphism. Animal Genetics, 25: 54.

Seyfert H. M., Tuckoricz A., Interthal H., Koczan D. and Hobom G. 1994. Structure of the bovine lactoferrin-encoding gene and its promoter. Gene, 143: 265-269.

Sharifzadeh A. and Doosti A. 2011. Study of lactoferrin gene polymorphism in Iranian Holstein cattle using PCR-RFLP technique. Global Veterinary, 6: 530-536.

Wojdak-Maksymiec K., Kmiec M. and Ziemak J. 2006. Associations between bovine lactoferrin gene polymorphism and somatic cell count in milk. Veterinary Medicine, 51: 14-20.

Zhao, C. H., He G. M., Wang Y. L. and Zhang Z. 2008. Polymorphism analysis of the promoter of cow Lactoferrin gene with PCR-RFLP and its correlation with subclinical mastitis. Acta Agriculturae Slovenica, 92: 185–187.