Adjusting for forage variability via on-farm analysis

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Introduction Forage composition has large <strong>variability</strong>, within the lot (Collins, 2000; Stone et al., 2003) and over time (Undersander et al., 2005); Variability in <strong>for</strong>ages is unavoidable, but can be managed using sampling protocols (St. Pierre and Cobanov, 2007) and adequate analytical tools (Near infrared) Getting More from Forages – July 29-30, 2009
Forage <strong>variability</strong>: hay Constituent AVG SD Btwn bales Min - max Btwn bales Getting More from Forages – July 29-30, 2009 SD W/in bales NDF 40.2 2.0 36.3 – 44.1 2.1 CP 17.2 0.8 15.7 – 18.7 0.8 Collins, 2000
Page 1: Targeted feeding strategies: Accoun
Page 5 and 6: Variation in forag
Page 7 and 8: Variation in forag
Page 9 and 10: Effect of rain (20mm) on a 30% DM F
Page 11 and 12: Effects of Feed Variability Animal
Page 13 and 14: Why do we need to feed cows precise
Page 19 and 20: Feed Quality Control Program • Re
Page 21 and 22: Slit - monochromator systems Gratin
Page 23 and 24: Water peaks Getting More from Forag
Page 25 and 26: Diode Array Sensors Getting More fr
Page 27 and 28: Monochromator vs Diode array Monoch
Page 29 and 30: Materials and Methods 10 weeks: 8 e
Page 31 and 32: John Deere HarvestLab TM •Diode a
Page 33 and 34: Material and Methods 48 cows (selec
Page 35 and 36: Experimental week BASELINE CHG RECO
Page 37 and 38: Materials and Methods Cows were fed
Page 39 and 40: Variation in DM content of alfalfa
Page 41 and 42: Variation in aNDFom content of TMR
Page 43 and 44: Changes in DM Intake: by TRT DMI, k
Page 45 and 46: Changes in milk fat relative to bas
Page 47 and 48: Changes in Milk Yield relative to b
Page 49 and 50: Cycle of Feeding What ration is the
Page 51: Targeted feeding strategies: Accoun

Adjusting for forage variability via on-farm analysis

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