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Coping With Alfalfa Winterkill

Explore alternative forages, forage diets, and feed inventory strategies to cope with alfalfa winterkill. Learn about minimizing shrink, forage replacers, high corn silage diets, and optimizing nutrition.

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Coping With Alfalfa Winterkill

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  1. Coping With Alfalfa Winterkill Professor Randy Shaver Department of Dairy Science University of Wisconsin - Madison University of Wisconsin - Extension

  2. Coping With Alfalfa Winterkill • Nutrition & Crop Advisor & Supplier relationships • Feed Inventory • Current & Projected (rolling) • Projected Needs • Minimize Shrink

  3. Coping With Alfalfa Winterkill • Alternative Forages • Winter Wheat or Rye • Oats or Oats & Peas • Reduced Forage Diets • Minimum Forage Guidelines • Forage Replacers • High Corn Silage Diets

  4. Alternative Forages

  5. Impact of Small-Grain Silage MaturityArieli & Adin, JDS, 1994 11 days between early and late cut

  6. Reduced Forage Diets

  7. NRC-01

  8. %Diet forage to meet minimum NDF from forage

  9. Silage Replacement

  10. By-Product Break-Evens

  11. How much to feed? Feeding limits i.e. DDG at 10 to 20% of diet DM a reasonable target depending upon diet formulation constraints i.e. High Fat & P and Low Lysine impediments to higher inclusion rates Least cost ration formulation for specified nutrients i.e. CP, RUP, NDF, Starch, Fat, NEL, etc., etc.

  12. High Corn Silage Diets

  13. Adapted from Joe Lauer, UW Madison Agronomy Dept.

  14. Kernel Processing Score ∆Worth 2 lb. Milk or 2 lb. Corn

  15. Corn Silage Fermentation Increases Starch Digestibility

  16. Visit UW Extension Dairy Cattle Nutrition Website http://www.uwex.edu/ces/dairynutrition/

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