Skip to main content Accessibility help
×
×
Home

Effect of postruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance

  • E. R. Ørskov (a1), D. A. Grubb (a1) and R. N. B. Kay (a1)

Abstract

1. Two experiments were carried out with lactating Friesian cows with a potential for high milk production. Within 3 d after calving they were fitted with a catheter to allow infusions to be given into the abomasum. During each experiment the milk yields and intake of the cows were such that they were calculated to be in negative energy balance.

2. In the first experiment three cows were infused daily with 10 l, the infusate being water, a suspension providing 300 g casein, or a solution providing 300 g glucose. The cows were offered a diet of barley straw, rolled barley and urea ad lib. during the first 60 d, after which they were fed to a calculated yield of 7 kg fat-corrected milk (FCM) less than their previous yield to ensure a negative energy balance. Infusion of casein increased yield by up to 3 kg FCM in comparison with glucose or water infusion. It also increased the concentration of crude protein in milk by approximately 13%. There was no consistent effect on milk fat concentration.

3. In the second experiment four cows were used in a trial of Latin-Square design. The basal ration was sufficient for a yield of 10 kg FCM/d. Four levels of casein and glucose infused into the abomasum daily were (g) 0, 750; 250, 500; 500, 250; 750, 0. The yields of FCM (kg/d) were 18.9, 22.7, 25.2 and 26.1, the concentration of protein (g/kg) was 25.2, 28.4, 29.6 and 31.5 and the concentration of milk fat (g/kg) was 48.2, 49.8, 51.0 and 54.8 for the four treatments respectively. In each instance the increases in values obtained with increasing level of casein infusion were significant. Infusion of casein was calculated to increase the extent of net energy deficit from 20.5 to 41.0 MJ/d. The possible protein limitations for cows in negative energy balance were discussed.

    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Effect of postruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance
      Available formats
      ×

      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

      Effect of postruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance
      Available formats
      ×

      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

      Effect of postruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance
      Available formats
      ×

Copyright

References

Hide All
Annison, E. F. (1960). Aust. J. agric. Res. 11, 58.
Association of Official Agricultural Chemists (1965). Official Methods of Analysis, 10th ed, p. 222. Washington, DC: Association of Official Agricultural Chemists.
Broderick, G. A., Kowalczyk, K. T. & Satler, L. D. (1970). J. Dairy Sci. 53, 1714.
Broster, W. H. (1972). Dairy Sci. Abstr. 34, 265.
Clark, J. H. (1975). J. Dairy Sci. 58, 1178.
Coppock, C. E., Tyrrell, H. F., Merrill, W. G. & Reid, J. T. (1968). Proc. Cornell Nutr. Conf. p. 86.
Davidson, J., Mathieson, J. & Boyne, A. W. (1970). Analyst, Lond. 13, 461.
Derrig, R. G., Clark, J. H. & Davis, C. L. (1974). J. Nutr. 104, 151.
Duncombe, W. G. (1964). Clinica chim. Acta 9, 122.
Fell, B. F., Kay, M., Whitelaw, F. G. & Boyne, R. (1968). Res. vet. Sci. 9, 458.
Flatt, W. P., Moe, P. W., Munson, A. W. & Cooper, J. (1969). In Energy Metabolism of Farm Animals [Baxter, K. L., Thorbek, G. and Kielanowski, J., editors]. Newcastle-upon-Tyne: Oriel Press.
Gaines, W. L. & Overman, O. R. (1938). J. Dairy Sci. 21, 261.
Marsh, W. H., Fingerhut, B. & Miller, H. (1965). Clin. Chem. 11, 624.
Moe, P. W., Tyrrell, H. F. & Flatt, W. P. (1970). In Energy Metabolism of Farm Animals, p. 65 [Schurch, A. and Wenk, C., editors]. Zurich: Juris Verlag.
Ørskov, E. R. (1975). Wld Rev. Nutr. Diet. 22, 152.
Ørskov, E. R. (1977). Wld Rev. Nutr. Diet. 26. (In the Press.)
Ørskov, E. R. & Grubb, D. A. (1977). Proc. Nutr. Soc. 36, 58A.
Ranawana, S. S. E. & Kellaway, R. C. (1976). Proc. Aust. Soc. Anim. Prod. 11, 489.
Robinson, J. J., Fraser, C., Gill, J. C. & McHattie, I. (1974). Anim. Prod. 19, 331.
Rook, J. A. F. (1976). In Principles of Cattle Production [Swan, H. and Broster, W. H., editors]. London: Butterworths.
Schiemann, R., Henseler, G., Jentsch, W. & Wittenberg, H. (1974). Archs. Tierernähr. 24, 105.
Sparrow, R. C., Hemken, R. W., Jacobsen, D. R., Button, F. S. & Enlow, C. M. (1973). J. Dairy Sci. 56, 664.
Spechter, H. H. (1972). Post ruminal casein infusion of urea fed lactating cows. PhD Thesis, University of Guelph, Ontario, Canada.
Spires, H. R., Clark, J. H. & Derrig, R. G. (1973). J. Dairy Sci. 56, 664.
Tyrrell, H. F., Bolt, D. J., Moe, P. W. & Swan, H. (1972). J. Anim. Sci. 35, 277.
Vik-Mo, L., Huber, J. T., Bergen, W. G., Lichtenwalner, R. E. & Emery, R. S. (1974). J. Dairy Sci. 57, 1024.
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

British Journal of Nutrition
  • ISSN: 0007-1145
  • EISSN: 1475-2662
  • URL: /core/journals/british-journal-of-nutrition
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed