Variation in the composition of milk protein from pasture-fed dairy cows in late lactation and the effect of grain and silage supplementation

New Zealand Journal of Agricultural Research

Volumn 42, Issue 2, 1999, Pages 147-154

  Mackle, T R ^a   Bryant, A M ^a   Petch, S F ^a   Hooper, R J ^a   Auldist, M J ^a  

^a Dexcel Limited   (New Zealand)

Author keywords

Casein; Cow; Milk; Nutrition; Pasture; Protein; Variation; Whey

Indexed keywords

BOS TAURUS; FRIESIA; LOLIUM; TRIFOLIUM REPENS; ZEA MAYS;

EID: 0032844982     PISSN: 00288233     EISSN: 11758775     Source Type: Journal    
DOI: 10.1080/00288233.1999.9513364     Document Type: Article

References (25)

1. Anon. 1990. “Energy”. In Feeding standards for Australian livestock:Ruminants, 1–76. Melbourne:CSIRO. Standing Committee on Agriculture, Ruminants Subcommittee
2. Atwal, A. S., and Erfle, J. D., 1990. Day-to-day variation in fat percent in cow's milk. Canadian Journal of Animal Science, 70:731–734.
3. Auldist, M. J., and Hubble, I. B., 1998. Effects of mastitis on raw milk and dairy products. Australian Journal of Dairy Technology, 53:28–36.
4. Auldist, M. J., Coats, S., Sutherland, B. J., Mayes, J. J., McDowell, G. H., and Rogers, G. L., 1996. Effects of somatic cell count and stage of lactation on raw milk composition and the yield and quality of Cheddar cheese. Journal of Dairy Research, 63:269–280.
5. Auldist, M. J., Walsh, B. J., and Thomson, N. A., 1998. Seasonal and lactational influences on milk composition in New Zealand. Journal of Dairy Research, 65:401–410.
6. Barnes, M. A., Pearson, R. E., Lee, K. L., and Lukes, A. J., 1989. Factors contributing to variation in reported milk component percentage in Holstein and Jersey milk. Journal of Dairy Science, 72:1596–1604.
7. Dalgleish, D. G., 1992. Bovine milk protein properties and the manufacturing quality of milk. Livestock Production Science, 35:75–93.
8. Gray, R. M., and Mackenzie, D. D. S., 1987. Effect of plane of nutrition on the concentration and yield of whey proteins in bovine milk. New Zealand Journal of Dairy Science and Technology, 22:157–165.
9. Holmes, C. W., Wilson, G. F., Mackenzie, D. D. S., Flux, D. S., Brookes, I. M., and Davey, A. W. F., 1987. “Nutrition:Quantitative requirements of dairy cattle”. In Milk production from pasture, Edited by:Holmes, C. W., and Wilson, G. F., 107–130. Wellington:Butterworths Agricultural Books.
10. Johnston, K. A., and Viggers, E., 1983. Day to day variation in fat, protein and lactose concentrations in raw milk and its effect on ‘random day’ testing. New Zealand Journal of Dairy Science and Technology, 18:87–92.
11. L'Huillier, P. J., and Thomson, N. A., 1988. Estimation of herbage mass in ryegrass/white clover dairy pastures. Proceedings of the New Zealand Grassland Association, 49:117–122.
12. Lucey, J., 1996. Cheesemaking from grass based seasonal milk and problems associated with late-lactation milk. Journal of the Society of Dairy Technology, 49:59–64.
13. Mackle, T. R., Petch, S. F., Bryant, A. M., Auldist, M. J., Henderson, H. V., and MacGibbon, A. K. H., 1997. Variation in the characteristics of milkfat from pasture-fed dairy cows during late spring and the effects of grain supplementation. New Zealand Journal of Agricultural Research, 40:349–359.
14. Mackle, T. R., Bryant, A. M., Petch, S. F., Hill, J. P., and Auldist, M. J., 1999. Nutritional influences on the composition of milk from cows of different protein phenotypes in New Zealand. Journal of Dairy Science, 82:172–180.
15. Manderson, G. A., Hardman, M. J., and Creamer, L. K., 1998. Effect of heat treatment on the conformation and aggregation of P-lactoglobulin A, B, and C. Journal of Agricultural and Food Chemistry, 46:5052–5061.
16. McLeod, M. N., and Minson, D. J., 1978. The accuracy of the pepsin-cellulase technique for estimating The dry matter digestibility in vivo of grasses and legumes. Animal Feed Science and Technology, 3:277–287.
17. Murphy, J. J., and O'Mara, F., 1993. Nutritional manipulation of milk protein concentration and its impact on the dairy industry. Livestock Production Science, 35:117–134.
18. Ng-Kwai-Hang, K. F., Hayes, J. F., Moxley, J. E., and Monardes, H. G., 1984. Variability of test-day milk production and composition and relation of somatic cell counts with yield and compositional changes of bovine milk. Journal of Dairy Science, 67:361–366.
19. O'Brien, B., Crosse, S., and Dillon, P., 1996. Effects of offering a concentrate or silage supplement to grazing dairy cows in late lactation on animal performance and on milk processability. Irish Journal of Agricultural and Food Research, 35:113–125.
20. Penno, J. W., Bryant, A. M., and MacDonald, K. A., 1996. Effect of nitrogen fertiliser and supplements on pasture production and milksolids yield from dairy farm systems. Proceedings of the New Zealand Society of Animal Production, 56:236–238.
21. Petch, S. F., Bryant, A. M., and Napper, A. R., 1997. Effects of pasture intake and grain supplementation on milk nitrogen fractions. Proceedings of the New Zealand Society of Animal Production, 57:154–156.
22. Robertson, N. H., and van der Westhuizen, E., 1990. Non-protein nitrogen content of milk as influenced by various factors. South African Journal of Dairy Science, 22:1–8.
23. Rook, A. J., Fisher, W. J., and Sutton, J. D., 1992. Sources of variation in yields and concentrations of inilk solids in dairy cows. Animal Production, 54:169–173.
24. Stelwagen, K., Davis, S. R., Farr, V. C., Eichler, S. J., and Politis, I., 1994. Effect of once daily milking and concurrent somatotropin on mammary tight junction permeability and yield of cows. Journal of Dairy Science, 77:2994–3001.
25. Westwood, C. T., Lean, I. J., and Kellaway, R. C., 1997. “Indications and implications for testing of milk urea nitrogen in dairy cattle:A quantitative review”. In Dairy medicine, Edited by:Bryden, D. I., 35–75. Sydney:University of Sydney.