Blood lactose v. milk lactose as a monitor of lactogenesis and colostrum production in Merino ewes

Australian Journal of Agricultural Research

Volumn 49, Issue 4, 1998, Pages 581-587

  McNeill, D M ^a,b   Murphy, P M ^a   Lindsay, D R ^a  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^b UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Onset of lactation; Sheep; Udder secretion

Indexed keywords

OVIS; OVIS ARIES;

EID: 0031895925     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/A97099     Document Type: Article

References (23)

1. Alexander, G., and Davies, H. (1959). Relationship of milk production to number of lambs born or suckled. Australian Journal of Agricultural Research 10, 720-4.
2. Arthur, P. G., Kent, J. C., and Hartmann, P. E. (1989). Microanalysis of the metabolic intermediates of lactose synthesis in human milk and plasma using bioluminescent methods. Analytical Biochemistry 176, 449-56.
3. Atwood, C. S., and Hartmann, P. E. (1992). Collection of fore and hind milk from the sow and the changes in milk composition during suckling. Journal of Dairy Research 59, 287-98.
4. Atwood, C. S., Toussaint, J. K., and Hartmann, P. E. (1995). Assessment of mammary gland metabolism in the sow. II. Cellular metabolites in the mammary secretion and plasma during lactogenesis II. Journal of Dairy Research 62, 207-20.
5. Cowie, A. T., Forsyth, I. A., and Hart, I. C. (1980). Lactation. In 'Hormonal Control of Lactation', pp. 146-229. (Springer-Verlag: Berlin.)
6. Fleet, I. R., Goode, J. A., Hamon, M. H., Laurie, M. S., Linzell, J. L., and Peaker, M. (1975). Secretory activity of goat mammary glands during pregnancy and the onset of lactation. Journal of Physiology 251, 763-73.
7. Fulkerson, W. J., Hooley, R. D., McDowell, G. H., and Fell, L. R. (1976). Artificial induction of lactation in ewes: The involvement of progesterone and prolactin in lactogenesis. Australian Journal of Biological Science 29, 357-63.
8. Hall, D. G., Holst, P. J., and Shutt, D.A. (1992). The effect of nutritional supplements in late pregnancy on ewe colostrum production plasma progesterone and IGF-1 concentrations. Australian Journal of Agricultural Research 43, 325-37.
9. Hartmann, P. E., Trevethan, P., and Shelton, J. N. (1973). Progesterone and oestrogen and the initiation of lactation in ewes. Journal of Endocrinology 59, 249-59.
10. Holst, P. J., Hall, D. G., and Allan, C. J. (1996). Ewe colostrum and subsequent lamb suckling behaviour. Australian Journal of Experimental Agriculture 36, 637-40.
11. Linzell, J. L., and Peaker, M. (1974). Changes in colostrum composition and in the permeability of the mammary epithelium at about the time of parturition in the goat. Journal of Physiology 243, 129-51.
12. Martin, G. B., Scaramuzzi, R. J., and Henstridge, J. D. (1983). Effects of oestradiol, progesterone and androstene-dione on the pulsatile secretion of luteinizing hormone in ovariectomized ewes during spring and autumn. Journal of Endocrinology 96, 181-93.
13. McCance, I., and Alexander, G. (1959). The onset of lactation in the Merino ewe and its modification by nutritional factors. Australian Journal of Agricultural Research 10, 699-719.
14. Mellor, D. J. (1992). Nutrition and gastrointestinal development in the newborn. Proceedings of the Nutrition Society of New Zealand 17, 25-37.
15. Mellor, D. J., and Cockburn, F. (1986). A comparison of energy metabolism in the new-born infant, piglet and lamb. Quarterly Journal of Experimental Physiology 71, 361-79.
16. Mellor, D. J., and Murray, L. (1985a). Effects of maternal nutrition on udder development and on colostrum production in Scottish Blackface ewes with twin lambs. Research in Veterinary Science 39, 230-4.
17. Mellor, D. J., and Murray, L. (1985b). Effects of maternal nutrition on the availability of energy in the body reserves of fetuses at term and in colostrum from Scottish Blackface ewes with twin lambs. Research in Veterinary Science 39, 235-40.
18. Murphy, P. M., McNeill, D. M., Fisher, J. S., and Lindsay, D. R. (1996). Strategic feeding of Merino ewes in late pregnancy to increase colostrum and milk production. Proceedings of the Australian Society of Animal Science 21, 227-30.
19. Nowak, R., Murphy, P. M., Lindsay, D. R., Alster, P., Anderson, R., and Uvnas-Moberg, K. (1997). Development of a preferential relationship with the mother by the newborn lamb: importance of the sucking activity. Physiology and Behaviour (in press).
20. Parr, R. A., Davis, I. F., Fairclough, R. J., and Miles, M. A. (1987). Overfeeding during early pregnancy reduces peripheral progesterone concentration and pregnancy rate in sheep. Journal of Reproduction and Fertility 80, 317-20.
21. Pattinson, S. E., Davies, D. A. R., and Winter, A. C. (1995). Changes in the secretion rate and production of colostrum by ewes over the first 24 h post partum. Animal Science 61, 63-8.
22. Poindron, P., Le Neindre, P., and Levy, F. (1984). Maternal behaviour in sheep and its physiological control. In 'Reproduction in Sheep'. (Eds D. R Lindsay and D. T. Pearce.) pp. 191-8. (Australian Academy of Science: Canberra.)
23. Wilkins, J. F. (1989). Contribution of embryo loss to reproductive performance in Merino ewes. PhD Thesis. The University of Western Australia.