Vacuum level for opening the teat sphincter and the change of the teat end wall thickness during the machine milking of mountainous Greek breed (Boutsiko) ewes

Small Ruminant Research

Volumn 69, Issue 1-3, 2007, Pages 136-143

  Sinapis, E ^a   Marnet, P G ^b   Skapetas, B ^a   Hatziminaoglou, I ^a  

^a ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

^b AGROCAMPUS OUEST   (France)

Author keywords

Machine milking; Milking ability; Sheep; Teat sphincter; Teat thickness; Vacuum level

Indexed keywords

OVIS ARIES;

EID: 33847651262     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.smallrumres.2006.01.003     Document Type: Article

References (28)

1. Bernabé J. Physiologie neuromusculaire du trayon (Physiology of the Teat Neuromuscular) (1984), Laboratoire de Recherches sur la Traite, INRA, Rennes, France p. 14
2. Bonelli, A., 1977. Méthodes d'evaluation de l'aptitude à la traite des vaches laitières en fonction des propriétés physiques du trayon. Thèse de fin d'études, INRA, Rennes, p. 31. Cited by Le Du, J., Benmederbel, B., 1984. Aptitude des chèvres de race Saanen à la traite mécanique. Relations avec les caractéristiques physiques du trayon (Milkability of Saanen goats : relationships with teat characteristics). Ann. Zootech. 33, 374-384.
3. Bosc J., Flamant J.C., and Ricordeau G. Traite à la machine des brebis. Suppression de l′égouttage manuel où remplacement par un égouttage machine (Machine milking of ewes. Suppress of hand stripping or replacement by machine stripping). Ann. Zootech. 16 (1967) 191-202
4. Bramley A.J. Mastitis and machine milking. In: Bramley A.J., Dodd F.H., Mein G.A., and Bramley J.A. (Eds). Machine Milking and Lactation (1992), Insight Books, Berkshire, England 343-372
5. Hamann J., and Mein G.A. Responses of the bovine teat to machine milking: measurements of changes in thickness of the teat apex. J. Dairy Res. 55 (1988) 331-338
6. Hamann J., and Mein G.A. Measurement of machine induced changes in thickness of the bovine teat. J. Dairy Res. 57 (1990) 495-505
7. Hamann J., and Stanitzke U. Studies on the pathogenesis of bovine mastitis by comparison of suckling, hand milking and machine milking: reactions of the teat tissue. Milchwissenschaft 45 (1990) 632-637
8. Hamann J., Mein G.A., and Wetzel S. Teat tissue reactions to milking: effects of vacuum level. J. Dairy Sci. 76 (1993) 1040-1046
9. Hamann J., and Mein G.A. Teat thickness changes may provide biological test for effective pulsation. J. Dairy Res. 63 (1996) 179-189
10. Hamann J., Mein G.A., and Nipp B. Recommended method for measuring changes in thickness of the bovine teat with spring-loaded calipers. J. Dairy Res. 63 (1996) 309-313
11. Labussière J. Importance, composition et signification des différentes fractions de lait obtenues au cours de la traite mécanique des brebis (Importance, composition and significant of different milk fractions during the machine milking of ewes). Ann. Zootech. 18 (1969) 185-196
12. Labussière J. Review of physiological and anatomical factors influencing the milking ability of ewes and the organization of milking. Livest. Prod. Sci. 18 (1988) 253-274
13. Larroque H., Marnet P.G., Gallard Y., and Thaunat L. Analyse de différents caractères d'aptitude à la traite chez les bovines (Analyse of different milkability traits in dairy cattle). Renc. Rech. Ruminants 8 (2001) 345
14. Le Du J., and Benmederbel B. Aptitude des chèvres de race Saanen à la traite mécanique. Relations avec les caractéristiques physiques du trayon (Milkability of Saanen goats: relationships with teat characteristics). Ann. Zootech. 33 (1984) 374-384
15. Le Du J., and Taverna M. Manchons trayeurs pour vaches: effets du diamètre et de l'élasticité du corps sur les caractéristiques de traite et sur quelques mesures de l'extrémité du trayon (Teatcup liners for cows: effects of barrel diameter and stiffness on milking characteristics and teat-end condition after milking). Ann. Zootech. 38 (1989) 19-28
16. Le Du J., De La Chevalerie F.A., Taverna M., and Dano Y. Aptitude des vaches à la traite mécanique: relations avec certaines caractéristiques physiques du trayon (Milka-bility of cows: relationships with certain teat characteristics). Ann. Zootech. 43 (1994) 77-90
17. Marnet P.G., and McKusick B.C. Regulation of milk ejection and milkability in small ruminants. Livest. Prod. Sci. 70 (2001) 125-133
18. Marnet P.G., Combaud J.F., and Dano Y. Relationships between characteristics of the teat and milkability in Lacaune ewes. In: Barillet F., and Zervas N.P. (Eds). Milking and Milk Production of Dairy Sheep and Goats. Proceedings of the Sixth International Symposium on the Milking of Small Ruminants, September 26-October 1, 1998, vol. 95, EAAP Publication. Athens, Greece (1999) 41-44
19. Marnet P.G., Combaud J.F., Le Du J., and Dano Y. Effect of pulsation rate and vacuum level on oxytocin release, milk parameters and teat end reaction. Proceedings of the Symposium on Milk Synthesis, Secretion and Removal in Ruminants. Berne, Switzerland, April 26-27 (1996) 114
20. McKusick B.C. Physiological factors that modify the efficiency of machine milking in dairy ewes. Proceedings of the Sixth Great Lakes Dairy Sheep Symposium, November 2-4, 2000. Guelph, Ont., Canada (2000) 94-108
21. Peeters G. Milk ejection and synthesis of milk in ruminants. In: Yokoyama A., Mizuno H., and Nagasawa H. (Eds). Physiology of Mammary Gland (1978), Japan Scientific Societies Press, Tokyo 23-29
22. Peris C., Díaz J.R., Segura C., Martí A., and Fernández N. Influence of pulsation rate on udder health and teat thickness changes in dairy ewes. J. Dairy Sci. 86 (2003) 530-537
23. Peris C., Díaz J.R., Balasch S., Beltrán M.C., Molina M.P., and Fernández N. Influence of vacuum level and overmilking on udder health and teat thickness changes in dairy ewes. J. Dairy Sci. 86 (2003) 3891-3898
24. Rønningen O., and Reitan A.D. Teat length and penetration into teat cup during milking in Norwegian Red cattle. J. Dairy Res. 57 (1990) 165-170
25. SAS. SAS User's Guide: Statistics (1994), SAS Institute Inc., Cary, NC
26. Skapetas B., Sinapis E., Hatziminaoglou I., and Karalazos A. Study of adaptation of mountain breed sheep in machine milking. Anim. Sci. Rev. 28 (2001) 15-31 (in Greek, with English abstract)
27. Weiss D., Weinfurtner M., and Bruckmaier R.M. Teat anatomy and its relationship with quarter and udder milk flow characteristics in dairy cows. J. Dairy Sci. 87 (2004) 3280-3289
28. Zecconi A., Bronzo V., Piccinini R., Moroni P., and Ruffo G. Field study on the relationship between teat thickness changes and intramammary infections. J. Dairy Res. 63 (1996) 361-368