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Effects of dry period length on milk production and composition in early lactating Holstein cows

Published online by Cambridge University Press:  22 November 2017

A Soleimani ,
A Heravi Moussavi ,
M Danesh Mesgaran  and
S Safa
A Soleimani
Affiliation:
Dept of Animal Science, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Islamic Republic of Iran Islamic Azad University-Kashmar Branch, Kashmar, Khorasan Razavi, Islamic Republic of Iran
A Heravi Moussavi*
Affiliation:
Dept of Animal Science, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Islamic Republic of Iran
M Danesh Mesgaran
Affiliation:
Dept of Animal Science, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Islamic Republic of Iran
S Safa
Affiliation:
Dept of Animal Science, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Islamic Republic of Iran
*
Email: bbheravi@yahoo.com
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Extract

Recently, there has been an interest in shortening the non-income-producing dry period (DP). Retrospective analysis of farm data and planned experiments both indicate about a 5 to 6% loss in milk yield during the subsequent lactation when the DP is reduced by approximately 30 d (Rastani et al., 2005). Additional milk produced during the extra 30 d of lactation can compensate for some of the loss in the subsequent lactation. There are, however, some advantages to reducing the dry period length, including increased income from milk in the current lactation, simplified management of dry cows through movement toward a one-group nutritional strategy, decreased metabolic disorders, and reduced strain on dry cow facilities. The aim of this study was to determine the effects of dry period length on milk production and composition in early lactating Holstein cows.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2009 , April 2009 , pp. 131
Copyright
Copyright © The British Society of Animal Science 2009

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References

Gulay, M. S., Hayen, M. J., Bachman, K. C., Belloso, T., Liboni, M., and Head, H. H. 2003. Milk production and feed intake of Holstein cows given short (30-d) or normal (60-d) dry periods. J. Dairy Sci. 86, 2030–2038.CrossRefGoogle ScholarPubMed
Rastani, R. R., Grummer, R. R., Bertics, S. J., Gumen, A., Wiltbank, M. C., Mashek, D. G., and Schwab, M. C. 2005. Reducing dry period length to simplify feeding transition cows: Milk production, energy balance, and metabolic profiles. J. Dairy Sci. 88, 1004–1014.CrossRefGoogle ScholarPubMed
Watters, R. D., Guenther, J. N., Brickner, A. E., Rastani, R. R., Crump, P. M., Clark, P. W. and Grummer, R. R. 2008. Effects of dry period length on milk production and health of dairy cattle. J. Dairy Sci. 91, 2595–2603 Google Scholar