Animal Nutrition and Feed Management Quiz

Which factor is MOST important when assessing the nutrient needs of a young, growing calf?

• Color of the pasture

• Stage of growth and expected weight gain

• Brand of feed tubs available

• Barn paint color

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A dairy cow in peak lactation requires a ration higher in:

• Fiber and low energy

• Protein and energy

• Only minerals

• Only water

Which of the following is an essential nutrient?

• Cellulose for all monogastrics

• Vitamin D for calcium metabolism

• Synthetic color additive

• Non-digestible filler

Which pair best describes relationships in cellular health?

• Amino acids build proteins; vitamins and minerals act as cofactors and structural elements.

• Amino acids are vitamins; minerals are proteins.

• Vitamins provide calories; amino acids provide fiber.

• Minerals replace water in cells.

Which feedstuff is most appropriate for energy-dense needs of finishing beef cattle?

• Straw

• Corn grain

• Mature haylage low in starch

• Sand

When formulating a cost‑effective ration for maintenance (non‑productive adult sheep), you should prioritize:

• Maximum protein regardless of cost

• Meeting but not greatly exceeding nutrient requirements

• Only the cheapest ingredients even if deficient

• High energy for rapid weight gain

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Before using a growth promotant, a responsible producer should do all EXCEPT:

• Review scientific evidence for efficacy and safety

• Consult industry professionals and regulations

• Ignore withdrawal times and label directions

• Evaluate fit with production goals

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Which tool is most appropriate for accurately measuring small daily supplement amounts for poultry?

• A tractor

• A precision scale or scoop calibrated for small doses

• A pitchfork

• A hay bale needle

If a feed label omits bioavailability information for a mineral, a prudent manager should:

• Assume it’s highly bioavailable and reduce supplementation

• Seek laboratory analysis, supplier data, or choose a feed with known nutrient availability

• Ignore mineral needs entirely

• Double all mineral additions

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NGSS.HS-ETS1-3

Use the Pearson Square: If you need a 16% protein ration and have Feed A at 10% protein and Feed B at 24% protein, what parts of Feed A and Feed B are needed? (Show parts; no need for weight conversions.)

• 8 parts A : 6 parts B

• 6 parts A : 8 parts B

• 4 parts A : 6 parts B

• 2 parts A : 1 part B