Factors affecting the plasmin-plasminogen system in milk obtained from three Greek dairy sheep breeds with major differences in milk production capacity

Journal of Dairy Science

Volumn 90, Issue 7, 2007, Pages 3263-3269

  Theodorou, G ^a   Kominakis, A ^a   Rogdakis, E ^a   Politis, I ^a  

^a AGRICULTURAL UNIVERSITY OF ATHENS   (Greece)

Author keywords

Ovine milk; Plasmin; Plasminogen; Plasminogen activator

Indexed keywords

OVIS; OVIS ARIES;

EID: 35748939062     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2006-780     Document Type: Article

References (20)

1. Albenzio, M., M. Caroprese, A. Santillo, R. Marino, A. Muscio, and A. Sevi. 2005. Proteolytic patterns and plasmin activity in ewes' milk as affected by somatic cell count and stage of lactation. J. Dairy Res. 72:86-92.
2. Albenzio, M., M. Caroprese, A. Santillo, R. Marino, L. Taibi, and A. Sevi. 2004. Effects of somatic cell count and stage of lactation on the plasmin activity and cheese-making properties of ewe milk. J. Dairy Sci. 87:533-542.
3. AOAC. 1980. Official Methods of Analysis. 13th ed. Association of Official Analytical Chemists, Arlington, VA.
4. Baldi, A., G. Savoini, F. Cheli, F. Fantuz, E. Senatore, L. Bertocchi, and I. Politis. 1996. Changes in plasmin-plasminogen-plasminogen activator system in milk from Italian Friesian Herds. Int. Dairy J. 6:1045-1053.
5. Bianchi, L., A. Bolla, E. Budelli, A. Caroli, C. Casoli, M. Pauselli, and E. Duranti. 2004. Effect of udder health status and lactation phase on the characteristics of Sardinian ewe milk. J. Dairy Sci. 87:2401-2408.
6. Gilmore, J., J. H. White, B. Zavizion, and I. Politis. 1995. Effect of stage of lactation and somatic cell count on plasminogen activator activity in bovine milk. J. Dairy Res. 62:141-145.
7. Grubbs, F. 1969. Procedures for detecting outlying observations in samples. Technometrics 11:1-21.
8. Hatziminaoglou, J., N. P. Zervas, and J. G. Boyazoglu. 1990. Prolific dairy sheep breeds in Greece. Options Méditerranéennes Ser. A, 12:25-30.
9. Kominakis, A., E. Rogdakis, and K. Koutsotolis. 1998. Genetic parameters for milk yield and litter size in Boutsiko dairy sheep. Can. J. Anim. Sci. 78:525-532.
10. Lacy-Hulbert, S. J., M. W. Woolford, G. D. Nicholas, C. G. Prosser, and K. Stelwagen. 1999. Effect of milking frequency and pasture intake on milk yield and composition of late lactation cows. J. Dairy Sci. 82:1232-1239.
11. Leitner, G., M. Chaffer, A. Shamay, F. Shapiro, U. Merin, E. Ezra, A. Saran, and N. Silanikove. 2004. Changes in milk composition as affected by subclinical mastitis in sheep. J. Dairy Sci. 87:46-52.
12. Ploumi, K., S. Belibasaki, and G. Triantaphyllidis. 1998. Some factors affecting daily milk yield and composition in a flock of Chios ewes. Small Rumin. Res. 28:89-92.
13. Politis, I. 1996. Plasminogen activator system: Implication for mammary cell growth and involution. J. Dairy Sci. 79:1097-1107.
14. Politis, I., E. Block, and J. D. Turner. 1990. Effect of somatotropin on the plasminogen and plasmin system in the mammary gland: Proposed mechanism of action for somatotropin on the mammary gland. J. Dairy Sci. 73:1494-1499.
15. Politis, I., E. Lachance, E. Block, and J. D. Turner. 1989. Plasmin and plasminogen in bovine milk: A relationship with involution. J. Dairy Sci. 72:900-906.
16. Politis, I., and K. F. Ng Kwai Hang. 1989. Environmental factors affecting plasmin activity in milk. J. Dairy Sci. 72:1713-1718.
17. SAS Institute. 2004. SAS/STAT Software. Version 9.0 for Windows. SAS Inst. Inc., Cary, NC.
18. Simos, E. N., E. M. Nikolaou, and P. E. Zoiopoulos. 1996. Yield, composition and certain physicochemical characteristics of milk of the Epirus mountain sheep breed. Small Rumin. Res. 20:67-74.
19. Srinivasan, M., and J. A. Lucey. 2002. Effects of added plasmin on the formation and rheological properties of rennet-induced skim milk gels. J. Dairy Sci. 85:1070-1078.
20. Stelwagen, K., I. Politis, J. H. White, B. Zavizion, C. G. Prosser, S. R. Davis, and V. C. Farr. 1994. Effect of milking frequency and somatotropin on the activity of plasminogen activator, plasminogen, and plasmin in bovine milk. J. Dairy Sci. 77:3577-3583.