Recent research on the effects of excess dietary nitrogen on the fertility of dairy cows

Veterinary Record

Volumn 160, Issue 11, 2007, Pages 359-362

  Laven, R A ^a   Scaramuzzi, R J ^b   Wathes, D C ^b   Peters, A R ^c   Parkinson, T J ^a  

^a MASSEY UNIVERSITY   (New Zealand)

^b ROYAL VETERINARY COLLEGE   (United Kingdom)

^c PFIZER GLOBAL RESEARCH AND DEVELOPMENT   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BOS;

EID: 34047150521     PISSN: 00424900     EISSN: None     Source Type: Journal    
DOI: 10.1136/vr.160.11.359     Document Type: Review

References (16)

1. BUTLER, W. R., CALAMAN, J. J. & BEAM, S. W. (1996) Plasma and milk urea nitrogen in relation to pregnancy rate in lactating cattle. Journal of Animal Science 74, 858-865
2. CARROLL, D. J., BARTON, B. A., ANDERSON, G. W. & SMITH, R. D. (1988) Influence of protein intake and feeding strategy on reproductive performance of dairy cows. Journal of Dairy Science 71, 3470-3481
3. DAWUDA, P. M., SCARAMUZZI, R. J., DREW, S. B., BIGGADIKE, H. J., LAVEN, R. A., ALLISON, R., COLLINS, C. F. & WATHES, D. C. (2004) The effect of a diet containing excess quickly degradable nitrogen (QDN) on reproductive and metabolic hormonal profiles of lactating dairy cows. Animal Reproduction Science 81, 195-208
4. DAWUDA, P. M., SCARAMUZZI, R. J., LEESE, H. J., HALL, C. J., PETERS, A. R., DREW, S. B. & WATHES, D. C. (2002) Effect of timing or urea feeding on the yield and quality of embryos in lactating dairy cows. Theriogenology 58, 1443-1455
5. ELROD, C. C. & BUTLER, W. R. (1993) Reduction of fertility and alteration of uterine pH in heifers fed excess ruminally degradable protein. Journal of Animal Science 71, 694-699
6. JORDAN, E. R., CHAPMAN, T. E., HOLTAN, D. W. & SWANSON, L. V. (1983) Relationship of dietary crude protein to composition of uterine secretions and blood in high-producing postpartum dairy cows. Journal of Dairy Science 66, 1854-1862
7. KENNY, D. A., BOLAND, M. P., DISKIN, M. G. & SREENAN, J. M. (2001) Effect of pasture crude protein and fermentable energy supplementation on blood metabolite and progesterone concentrations and on embryo survival in heifers. Animal Science 73, 501-511
8. KENNY, D. A., BOLAND, M. P., DISKIN, M. G. & SCREENAN, J. M. (2002) Effect of rumen degradable protein with or without fermentable carbohydrate supplementation on blood metabolites and embryo survival in catle. Animal Science 74, 529-537
9. LAVEN, R. A., BIGGADIKE, H. J. & ALLISON, R. D. (2002) The effect of pasture nitrate concentration and concentrate intake after turnout on embryo growth and viability in the lactating dairy cow. Reproduction in Domestic Animals 37, 111-115
10. LAVEN, R. A., DAWUDA, P. M., SCARAMUZZI, R. J., WATHES, D. C., BIGGADIKE, H. J. & PETERS, A. R. (2004) The effect of feeding diets high in quickly degradable nitrogen on follicular development and embryo in growth in lactating Holstein dairy cows. Animal Reproduction Science 84, 41-52
11. LAVEN, R. A. & DREW, S. B. (1999) Dietary protein and the reproductive performance of cows. Veterinary Record 145, 687-695
12. MIKKOLA, M., MANTYSAARI, P., TAMMIRANTA, N., PEIPPO, J. & TAPONEN, J. (2005) Effect of dietary protein on embryo recovery rate and quality in superovulated heifers. Animal Reproduction Science 87, 193-202
13. ORDÓÑEZ, A., PARKINSON, T., HOLMES, C. W., MATTHEW, C., MILLER, R. D., LOPEZ-VILLALOBOS, N., BURKE, J. & BROOKES, I. (2007) Spring application of urea fertilizer does not reduce the reproductive performance of dairy cows. New Zealand Veterinary Journal (In press)
14. ROOKE, J. A., EWEN, M., MACKIE, K., STAINES, M. E., MCEVOY, T. G. & SINCLAIR, K. D. (2004) Effect of ammonium chloride on the growth and metabolism of bovine ovarian granulosa cells and the development of ovine oocytes matured in the presence of bovine granulosa cells previously exposed to ammonium chloride. Animal Reproduction Science 84, 53-71
15. SINCLAIR, K. D., KURAN, M., GEBBIE, F. E., WEBB, R. & MCEVOY, T. G. (2000a) Nitrogen metabolism and fertility in cattle: II. Development of oocytes recovered from heifers offered diets differing in their rate of nitrogen release in the rumen. Journal of Animal Science 78, 2670-2680
16. SINCLAIR, K. D., SINCLAIR, L. A. & ROBINSON, J. J. (2000b) Nitrogen metabolism and fertility in cattle: I. Adaptive changes in intake and metabolism to diets differing in their rate of energy and nitrogen release in the rumen. Journal of Animal Science 78, 2659-2669