Copper supplementation and bovine pregnancy rates: Three types of supplementation compared in commercial dairy herds

Irish Veterinary Journal

Volumn 53, Issue 4, 2000, Pages 213-222

  Black, D H ^a   French, N P ^b  

^a Carlisle House   (United Kingdom)

^b UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034411717     PISSN: 03680762     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (15)

1. Barnea, A. and Colombari-Vidal, M. (1984). Proc. Natl. Acad. Sci. USA 81: 7656-7660
2. Lawson, D.C., Ritchie, N.S., Hemingway, R.G. and Parkins, J.J. (1989). A novel, sustained-release bolus for cattle containing trace elements and vitamins. Proceedings of the Nutrition Society 48: 89A.
3. Mackenzie, A.M., Illingworth, D.V, Jackson, D.W. and Telfer, S.B. (1996). A comparison of methods of assessing copper and selenium status in cattle in the field. Proc. XIX World Buiatrics Congress.
4. Mackenzie, A.M., Illingworth, D.V., Jackson, D.W. and Telfer, S.B., (1997). A comparison of methods of assessing copper status in cattle. In: Proceedings of the Ninth International Symposium on Trace Elements in Man and Animals (TEMA9) pp301-302
5. MAFF, DAS, DANI, UKASTA and BVA (1983). Mineral, Trace Element and Vitamin Allowances for Ruminant Livestock. London: HMSO.
6. O'Gorman, F., Smith, F.H., Poole, D.B.R., Boland, M.P and Roche, J.F. (1987). Theriogenology 27: 265.
7. Peterson, R.G. and Waldren, D.E. (1977). A survey of dairy herds in the Fraser Valley of British Columbia to determine possible causes of unsatisfactory reproductive performance. Can. J. Anim. Sci. 57: 395-404
8. Phillippo, M., Humphries, W.R., Atkinson, T. and Henderson G.D. (1987). The effect of dietary molybdenum and iron on copper status and growth in cattle. J. Agric. Sci., Camb. 109: 315-320
9. Phillippo, M., Humphries, W.R., Atkinson, T. and Henderson, G.D. (1987). The effect of dietary molybdenum and iron on copper status, puberty, fertility and oestrus cycles in cattle. J. Agric Sci,. Catnb. 109: 321-336
10. Suttle, N.F. (1986). Copper deficiency in ruminants; recent developments. Vet. Rec .119: 519-522
11. Suttle, N.F. (1974) A technique for measuring the biological availability of copper to sheep using hypocupraemic ewes. British Journal of Nutrition 32: 395-405
12. Suttle, N.F. (1991). The interactions between copper, molybdenum, and sulphur in ruminant nutrition. Annul Rev. Nutr. 11: 121-140
13. Telfer, S.B., Mackenzie, A.M., Illingworth, D.V. and Jackson, D.W. (1996). The use of caeruloplasmin activities and plasma copper concentrations as indicators of copper status in cattle. Proc. XIX World Buiatrics Congress.
14. Wilshire, J.P., Leon, L., Bosserman, P. and Sawyer, D.T. (1980). In Molybdenum Chemistry of Biological Significance pp 327-344. New York: Plenum
15. Wikse S.E., Herd D., Fiald R. and Holland P. (1992). JAVMA 200: 1625-1629