Extension Animal Scientist

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Presentation transcript:

Extension Animal Scientist Nutrition, Pasture & Supplementation for Beef Cattle C. Kim Chapman Extension Animal Scientist Southwest Region

Things to remember… Cattle don’t “need” high-quality forage. Prefer grass, but will utilize shrubs at different times of the year Requirements vary throughout year

Nutrient Requirements 1,200 Cow Early Lactation DM – 23.0 lbs. TDN – 12.8 lbs. CP – 2.1 lbs. Ca - .27 % (28 g) P - .22 % (23 g) Maintenance DM – 20.8 lbs. TDN – 10.1 lbs. CP – 1.4 lbs. Ca - .19 % (18 g) P - .19 % (18 g)

What Does Feed Provide? Alfalfa Hay – 1 lb. DM – 90% = .9 lbs. TDN – 51% = .51 lbs. CP – 15.3% = .15 lbs. Ca – 1.27% = 5.76 g P – .22% = 1.0 g Alfalfa Hay – 23 lbs. DM–90% =20.7 lbs. TDN–51% =11.7 lbs. CP– 15.3% = 3.5 lbs. Ca – 1.27% = 132 g P - .22% = 23 g

Is it enough for Maintenance? DM – 20.8 lbs. TDN – 10.1 lbs. CP – 1.4 lbs. Ca - .19 % (18 g) P - .19 % (18 g) Alfalfa Hay – 23 lbs. DM–90% =20.7 lbs. TDN–51% =11.7 lbs. CP– 15.3% = 3.5 lbs. Ca – 1.27% = 132 g P - .22% = 23 g

Is it enough for Lactation? Early Lactation DM – 23.0 lbs. TDN – 12.8 lbs. CP – 2.1 lbs. Ca - .27 % (28 g) P - .22 % (23 g) Alfalfa Hay – 23 lbs. DM–90% =20.7 lbs. TDN–51% =11.7 lbs. CP– 15.3% = 3.5 lbs. Ca – 1.27% = 132 g P - .22% = 23 g

Combined Ration Early Lactation DM – 23.0 lbs. TDN – 12.8 lbs. CP – 2.1 lbs. Ca - .27 % (28 g) P - .22 % (23 g) Alfalfa Hay – 23 lbs. DM–90% =20.7 lbs. TDN–51% =11.7 lbs. CP– 15.3% = 3.5 lbs. Ca – 1.27% = 132 g P - .22% = 23 g Barley – 3 lbs. DM–88% = 2.6 lbs. TDN–76% = 2.3 lbs. CP–11.9% = .12 lbs. Ca – .04% = .54 g P – .34% = 4.5 g

Is it enough for Lactation? Early Lactation DM – 23.0 lbs. TDN – 12.8 lbs. CP – 2.1 lbs. Ca - .27 % (28 g) P - .22 % (23 g) Meadow Foxtail – 88 lbs. DM–26% =22.8 lbs. TDN–19% =16.7 lbs. CP– 4.5% = 4.0 lbs. Ca – .15% = 60 g P - .12% = 48 g Meadow Foxtail – 60 lbs. DM–26% =15.6 lbs TDN–19% =11.4 lbs. CP– 4.5% = 2.7 lbs. Ca – .15% = 41 g P - .12% = 33 g

Other ESSENTIAL Nutrients Water Clean Fresh Warm (winter) Salt & Minerals Salt is cheap Mineral blocks Loose minerals Molasses-based tubs

Grazing Schemes High-Intensity, Short-Duration (Summer) Grazing Standing Corn (Winter)

Pasture Management Grazing animals MUST be managed! Forage Farmer or Cattle Baron??? Keeping both pasture and cattle healthy requires effort. Cattle can be maintained on small, irrigated acreages.

Questions???