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Receiving cattle

Receiving cattle. Receiving issues. Dry matter intake of stressed calves; first 28 days Week lb/hd/d % of BW 1 5.5 1.15 2 8.9 1.84 3 11.8 2.46 4 14.8 3.07 1-4 10.3 2.13. Receiving issues. Sick v s Healthy Steers (Texas A&M Ranch-to-Rail - 1998). Trait Sick Healthy. Head 507 1,394

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Receiving cattle

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  1. Receiving cattle

  2. Receiving issues Dry matter intake of stressed calves; first 28 days Week lb/hd/d % of BW 1 5.5 1.15 2 8.9 1.84 3 11.8 2.46 4 14.8 3.07 1-4 10.3 2.13

  3. Receiving issues Sick vs Healthy Steers(Texas A&M Ranch-to-Rail - 1998) Trait Sick Healthy Head 507 1,394 Death loss 4.0% 0.6% ADG, kg 2.54 2.84 Feed cost of gain, $/cwt $52.13 48.93 McNeil et al., 1998

  4. Animal Health and Daily Gain

  5. Receiving calves, use pasture? Freshly weaned calves: 2/3 sale barn $ 1/3 ranch fresh Item Feedlot Pasture Number 587 585 Treatments Resp, n (%) 311 (53) 133 (23) Pinkeye, n 16 13 Foot rot 7 8 Death loss, n (%) 5 (.9) 1 (.2) Daily gain from pay wt. to 28 or 42 days similar

  6. WCGF in receiving diets DRC DRC/EP WCGF WCGF/EP DMI, lb/d 15.0 14.7 13.0 12.5 ADG, lb/d 2.39 2.20 2.47 2.21 F:G 6.61 7.00 5.30 5.68 # dead 0 0 1 0 # treated 7 5 6 8 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

  7. WCGF in receiving diets DRC DRC/EP WCGF WCGF/EP DMI, lb/d 12.6 12.5 11.5 11.1 ADG, lb/d 2.44 2.49 2.00 2.27 F:G 5.12 5.02 5.67 4.84 # dead 0 1 0 0 # treated 20 17 25 21 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

  8. Nutrient ranges for receiving calves Nutrient Level 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??

  9. Roughage Sources • Alfalfa • Straw (wheat, oat) Ammoniated? • Grass • Cobs • Cottonseed hulls • BYPRODUCTS? • Silages (corn, alfalfa) • Hays (grass, alfalfa) • Particle size?

  10. Roughage level Grain: HMCDRGS Roughage: 0 4 8 120 4 8 12 DMI22.2 23.8 24.4 24.8 23.3 26.3 25.6 25.8 ADG3.60 3.58 3.78 3.60 3.47 3.72 3.61 3.37 F:G6.12 6.63 6.46 6.86 6.68 7.08 7.09 7.66 Starch I11.9 12.7 12.6 12.8 14.5 16.9 16.2 14.5 Starch dig.97.1 97.0 92.2 93.6 93.0 87.4 84.3 88.3 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. Sindt et al., 1988

  11. Roughage level Grain: HMC DRGS Roughage: 0 4 8 12 0 4 8 12 DMI 22.2 23.8 24.4 24.8 23.3 26.3 25.6 25.8 ADG 3.60 3.58 3.78 3.60 3.47 3.72 3.61 3.37 F:G 6.12 6.63 6.46 6.86 6.68 7.08 7.09 7.66 Starch I 11.9 12.7 12.6 12.8 14.5 16.9 16.2 14.5 Starch dig. 97.1 97.0 92.2 93.6 93.0 87.4 84.3 88.3 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. Sindt et al., 1988

  12. Roughage Level Source: Alfalfa and CS hulls in SF milo diets Level 10 20 30 DMI (linear)18.3 20.5 22.7 ADG 3.40 3.37 3.22 F:G (linear) 5.41 6.06 6.99 Bartle et al., 1994

  13. Roughage Level Grain: DRC DRW Roughage: 0 7.5 0 7.5 DMI16.7 19.1 15.9 16.9 ADG2.66 2.92 2.27 2.54 F:G Whole diet 6.32 6.56 7.04 6.69 Conc. only 6.00 5.89 6.71 6.01 Liver abscess, n 2/50 7/50 6/50 5/50 Stock et al., 1990

  14. ADG 0 3 6 9 12 Roughage level

  15. F:G 0 3 6 9 12 Roughage level

  16. WCGF and roughage level F:G AH  WCGF (P < 0.09) Linear AH within 35% WCGF (P = 0.06) Linear AH within 0% WCGF (P = 0.29) 0% 3.75% 7.5% Alfalfa Hay Level

  17. Effects of Roughage Level in WDGS Diets Benton et al., 2007 Nebraska Beef Rep.

  18. Effects of Roughage Source in WDGS Diets Benton et al., 2007 Nebraska Beef Rep.

  19. Effects of Roughages in WDGS Diets Benton et al., 2007 Nebraska Beef Rep.

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