Methods to estimate 24-hour yields for milk, fat and protein in robotic milking herds

D. Lazenby; E. Bohlsen; K. J. Hand; D.F. Kelton; F. Miglior; K.D. Lissemore

Methods to estimate 24-hour yields for milk, fat and protein in robotic milking herds

In: Performance recording of animals - State of the art, 2002

Authors:

D. Lazenby

D. Lazenby ¹Ontario Dairy Herd Improvement, 660 Speedvale Ave., Guelph, Ontario, Canada, N1K 1E5

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E. Bohlsen

E. Bohlsen ²United Data Systems for Animal Production (VIT), Verden, Germany

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K. J. Hand

K. J. Hand ¹Ontario Dairy Herd Improvement, 660 Speedvale Ave., Guelph, Ontario, Canada, N1K 1E5

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D.F. Kelton

D.F. Kelton ³Dept. of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1

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F. Miglior

F. Miglior ⁴Canadian Dairy Network, 150 Research Lane, Guelph, Ontario, Canada, N1G 4T2

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, and

K.D. Lissemore

K.D. Lissemore ³Dept. of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1

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Type:: Chapter

Pages:: 65–71

DOI:: https://doi.org/10.3920/9789086865116_010

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The flexibility in milking interval and milking frequency, which makes robotic systems so popular, poses some unique challenges to milk recording agencies. The aim of this study is to determine an accurate, cost effective method to estimate 24-hour milk, fat and protein yield. Analysis of the data suggests that the optimal estimate of the milking rate is obtained using milk weights from the current plus 12 most recent milkings or the last four days. Also, the length of the sampling period for fat and protein can be 14 to 16 hours with loss in accuracy in the range of 0.10 to 0.14 kg deviation in absolute 24-hour yield.

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Performance recording of animals - State of the art, 2002

Proceedings of the 33rd Biennial Session of ICAR, Interlaken, Switzerland

Series: EAAP Scientific Series, Volume: 107

Cover Performance recording of animals - State of the art, 2002

E-Book ISBN:: 9789086865116

Publisher:: Wageningen Academic

Print Publication Date:: 10 Oct 2003

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Methods to estimate 24-hour yields for milk, fat and protein in robotic milking herds

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Performance recording of animals - State of the art, 2002

Proceedings of the 33rd Biennial Session of ICAR, Interlaken, Switzerland

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