Forage Management & Ruminant Nutrition

Who is the Penn State Extension Forage Specialist?

• Dr. Tara Felix

• Dr. John Doe

• Dr. Sarah Smith

• Dr. Jessica Williamson

What is the total digestible nutrients (TDN) percentage required for mature bulls and dry cows?

• 50%

• 70%

• 55%

• 65%

What percentage of crude protein is required for growing heifers and yearling bulls?

• 9%

• 12%

• 16%

• 14%

Which class of cattle has the greatest nutritional requirements?

• Non-lactating ewes

• Stocker calves

• Dry cows

• Mature bulls

What is the minimum TDN percentage required for stocker calves?

• 70%

• 65%

• 50%

• 55%

What type of grazing system has been shown to increase stocking rate and carrying capacity of the pasture?

• Continuous grazing

• Rotational grazing

• Strip grazing

• Unmanaged grazing

What is the TDN percentage considered adequate for non-lactating ewes?

• 70%

• 65%

• 55%

• 50%

For lactating ewes with twins, what is the target crude protein percentage?

• Close to 16%

• 9.5%

• 12%

• 14%

What managed grazing system works well with annual or stockpiled forages?

• Strip grazing

• Rotational grazing

• Continuous grazing

• Unmanaged grazing

Why is a continuously-grazed system not ideal for pasture sustainability?

• Leads to over-consumption in some areas

• Increases stocking rate

• Improves pasture health

• Reduces parasite load