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Opportunities from mobile NIRS

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poster prepared by Michael Blummel for the Feed and Forage Annual Flagship Meeting, Hanoi, Vietnam May 2019

Veröffentlicht in: Wissenschaft
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Opportunities from mobile NIRS

  1. 1. o Opportunities from mobile NIRS Michael Blummel m.blummel@cgiar.org This document is licensed for use under the Creative Commons Attribution 4.0 International Licence. May 2019 Introduction Feed and Forage research and extension requires a wider range of feed quality information. Rapid and affordable feed quality assessments are needed. The CGIAR Research Program on Livestock thanks all donors & organizations which globally support its work through their contributions to the CGIAR Trust Fund. cgiar.org/funders Feed quality information are indispensable for least cost ration design, feed supply and demand scenarios, prediction of livestock performance and selection in crop and forage improvement programs. While these facts are accepted, feed quality information are often lacking because of logistical constraints such as sample preparation and sample shipment requirements, lack of analytical laboratory infrastructure and high cost of analytical services. Mobile, handheld and affordable NIRS instruments could overcome these constraints. Feeds & Forages | Cluster 1 Methods/discussion For mobile NIRS: • Brimrose • Phazir • Tellspec • Scio Tested against FOSS XDS with 550 Ethiopian feed samples, 250 blind-predicted for N, NDF, ADF, ADL, IVOMD and ME NIRS R2 Cup R2 Plastic Bag FOSS XDS 0.97-0.99 0.87-0.98 Brimrose 0.62-0.85 0.48-0.88 Phazir 0.81-0.99 0.80-0.97 Tellspec 0.84-0.94 0.84-0.95 Scio 0.52-0.63 0.31-0.52 Findings • Some mobile such as Tellspec (< 1 000 US $) close to FOSS XDS performance • Brimrose and Phazir still > 40 000 US $ • Scanning in plastic bags in the field possible

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