Precision protein and energy feeding of dairy cows during transition time

Ephraim Maltz; Nikolai Livshin; Aharon Antler; Israel Brukental; Amichai Arieli

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Precision protein and energy feeding of dairy cows during transition time

In: Precision Livestock Farming â05

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Ephraim Maltz

Ephraim Maltz
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Nikolai Livshin

Nikolai Livshin
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Aharon Antler

Aharon Antler
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Israel Brukental

Israel Brukental
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Amichai Arieli

Amichai Arieli
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Type:: Chapter

Pages:: 219â226

DOI:: https://doi.org/10.3920/978-90-8686-548-2_027

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The objective was to evaluate precision feeding of protein and energy to the individual cow during the transition time from calving to lactation establishment.

Dual channel, computer-controlled self-feeders (CCSF) supplied daily concentrate allocations of protein and energy based on dry matter intake (DMI), as calculated with a model that used daily milk yield (MY), body weight (BW), days in milk (DIM), and milk composition as inputs.

In the first stage of the trial two groups of cows received two different precision rations and the control group a total mixed ration (TMR). In the second stage, the better precision ration was fed to one group, and TMR to a control group. All performance parameters were measured until 7 weeks after calving in the first stage and up to 20 weeks after calving in the second. The MY, BW and body condition (BC) records favored precision feeding over TMR: MY exceeded 44 kg/d vs 41.3 kg/d; BW fell by less than 8% vs more than 10%, post-calving; and average BC score declined for 7 vs 11 weeks, and from 2.9 to 2.7 vs 3.1 to 2.4.

In the second phase the same trend was demonstrated despite a lower performance of both groups. It is concluded that precision agriculture principles can be applied to protein and energy feeding management for dairy cows.

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Precision Livestock Farming â05

E-Book ISBN:: 9789086865482

Publisher:: Wageningen Academic

Print Publication Date:: 10 Oct 2005

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Precision protein and energy feeding of dairy cows during transition time

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Precision Livestock Farming â05

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