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Receiving cattle
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Dry matter intake of stressed calves; first 28 days Weeklb/hd/d% of BW 15.51.15 28.91.84 311.82.46 414.83.07 1-410.32.13 Receiving issues
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Sick vs Healthy Steers (Texas A&M Ranch-to-Rail - 1998) TraitSickHealthy Head5071,394 Death loss4.0%0.6% ADG, kg2.542.84 Feed cost of gain, $/cwt$52.1348.93 Receiving issues McNeil et al., 1998
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Animal Health and Daily Gain
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Freshly weaned calves: 2/3 sale barn $ 1/3 ranch fresh ItemFeedlotPasture Number587585 Treatments Resp, n (%)311 (53) 133 (23) Pinkeye, n 16 13 Foot rot78 Death loss, n (%)5 (.9)1 (.2) Daily gain from pay wt. to 28 or 42 days similar Receiving calves, use pasture?
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WCGF in receiving diets DMI, lb/d 15.014.713.012.5 ADG, lb/d2.392.202.472.21 F:G6.617.005.305.68 # dead 0010 # treated 7568 Diets were 45% alfalfa hay, and either 45% DRC with supp. or 52% WCGF with supp.; ~80 steers/trt McCoy et al., 1996 Nebraska Beef Report DRCDRC/EPWCGFWCGF/EP
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WCGF in receiving diets DMI, lb/d 12.612.511.511.1 ADG, lb/d2.442.492.002.27 F:G5.125.025.674.84 # dead 0100 # treated 20172521 Diets were 45% alfalfa hay, and either 45% DRC with supp. or 52% WCGF with supp.; ~100 steers/trt McCoy et al., 1995 Nebraska Beef Report DRCDRC/EPWCGFWCGF/EP
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Nutrient ranges for receiving calves NutrientLevel suggested DM 75-85% CP 14-15% UIP concerns! NEm 75-85 Mcal/cwt NEg 52-55 Mcal/cwt Ca.8% P.4% K 1.2% Vitamins/trace mineral fortified Rumensin Coccidostats??
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Alfalfa Straw (wheat, oat) Ammoniated? Grass Cobs Cottonseed hulls BYPRODUCTS? Silages (corn, alfalfa) Hays (grass, alfalfa) Particle size? Roughage Sources
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Sindt et al., 1988 Roughage level Grain:HMCDRGS Roughage:0481204812 DMI 22.223.824.424.823.326.325.625.8 ADG 3.603.583.783.603.473.723.613.37 F:G 6.126.636.466.866.687.087.097.66 Starch I 11.912.712.612.814.516.916.214.5 Starch dig. 97.197.092.293.693.087.484.388.3 Grain sources different for DMI, F:G, & Starch dig. Linear roughage effect for DMI, F:G, & Starch dig. Quadratic roughage effect for DMI & Starch dig.
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Sindt et al., 1988 Roughage level Grain:HMCDRGS Roughage:0481204812 DMI 22.223.824.424.823.326.325.625.8 ADG 3.603.583.783.603.473.723.613.37 F:G 6.126.636.466.866.687.087.097.66 Starch I 11.912.712.612.814.516.916.214.5 Starch dig. 97.197.092.293.693.087.484.388.3 Grain sources different for DMI, F:G, & Starch dig. Linear roughage effect for DMI, F:G, & Starch dig. Quadratic roughage effect for DMI & Starch dig.
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Roughage Level Source:Alfalfa and CS hulls in SF milo diets Level102030 DMI (linear) 18.320.522.7 ADG 3.403.373.22 F:G (linear) 5.416.066.99 Bartle et al., 1994
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Roughage Level Stock et al., 1990 Grain:DRCDRW Roughage:07.507.5 DMI 16.719.115.916.9 ADG 2.662.922.272.54 F:G Whole diet6.326.567.046.69 Conc. only6.005.896.716.01 Liver abscess, n 2/507/506/505/50
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Roughage level 036912 ADG
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Roughage level 036912 F:G
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Alfalfa Hay Level F:G 0%3.75%7.5% AH WCGF (P < 0.09) Linear AH within 35% WCGF (P = 0.06) Linear AH within 0% WCGF (P = 0.29) WCGF and roughage level
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Effects of Roughage Level in WDGS Diets TreatmentsP-Value CONTROLLOWHIGHLevel (%DM) 03-66-12 --- DMI 22.3 a 24.6 b 25.6 c <0.01 ADG 4.33 a 4.62 b 4.77 c <0.01 G:F 5.13 a 5.32 b 5.35 b 0.03 P/L, $ 0.00 a 16.34 ab 26.56 b 0.02 Benton et al., 2007 Nebraska Beef Rep.
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Effects of Roughage Source in WDGS Diets TreatmentsP-Value AlfalfaCorn SilageCorn StalksSource DMI 25.124.825.3 0.34 ADG 4.654.644.80 0.13 G:F 5.385.355.26 0.23 P/L, $ 15.9318.1830.24 0.13 Benton et al., 2007 Nebraska Beef Rep.
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Effects of Roughages in WDGS Diets Treatments Low Corn StalksHigh Alfalfa High Corn Silage High Corn Stalks Level (%DM) 3.048.0012.266.08 DMI 25.025.725.325.6 ADG 4.794.764.754.80 G:F 5.215.415.32 P/L, $ 30.9022.8427.2529.58 Benton et al., 2007 Nebraska Beef Rep.
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