ZAP!• Object: End with the most points• The first team to have a representative

stand will answer the question.• IF correct, you get 2 points and a ZAP! Card.• Your team must then follow the instructions• Ex. Switch scores with another team, ZAP!

Another team.• ZAP! Means the score returns to zero.

Why are calves separated from the mother?

• A: To prevent the spread of pathogens from mother to calf

Brown Swiss

What is the top milk production state (2011)?

• A: California

Name at least 1 advantage and 1 disadvantage of dairying in

Minnesota• Advantages• Plentiful Water• Good Infrastructure• Cheaper Feed

• Disadvantages• Small Farms• Housing more expensive• Resistance to large farms

For a heifer to calve at 24 months of age, how old must she be when

bred?

• A: 15 Months of age (280 day gestation period/about 9

months)

What is the most popular breed?

• A: Holstein

How long is the typical ‘dry’ period for a cow?

• A: 30-60 days

• Why do cows need a dry period?

What is colostrum?• A: Milk from cow 48 hours after

calving

• Why is it important to feed calves colostrum?

What are the four compartments of the ruminant stomach?

What is at least 1 advantage that a ruminant has versus a non-

ruminant?

• Cellulose can be digested• B vitamin synthesis

• Can utilize non-protein nitrogen (urea)

Guernsey

In your own words, describe a typical diet for a milking cow

Ingredient Pounds (lbs.)Alfalfa 14Corn Silage 23Corn Grain 16Soybean Meal 3Whole Cotton Seed 6Dicalcium-Phosphate 0.25TM Salt 0.22Vitamin A, D, E Premix 0.06Selenium Premix 0.01Total: 62.25

What breed is the smallest mature size, but has the highest % fat and protein in

milk?

• Jersey

What has been the general trend in terms of milk production per

cow?

• It has increased• By how much?

• 1945 – 5,180 lbs/cow• 2011 – 18,996 lbs/cow

What rank is Minnesota for milk production

(2011)?

• A: 7th

What is one symptom of hypocalcemia (Milk

Fever)?

• A: Cows are too weak to stand up

Jersey

You discover a cow has a retained placenta. What would you prescribe

as a treatment?

• A: No treatment unless the cow becomes sick. Take temperature

twice daily.

Holstein

Why is a sanitizing solution used after

milking?

• A: To prevent the spread of infection

Why is progeny testing used for dairy bulls?

• A: To ensure selection of bulls that will produce the best calf

for a farm

How much milk does a typical cow produce daily?

• A: 70 lbs.

Where does the Ayrshire breed originate from?

• Scotland

What is at least 1 change in a heifer prior to

calving?• Mammary development

• Ligaments over the rump loosen• Animals try to find a secluded

area• May start to drip milk

Milking Shorthorn

Why is twinning undesirable?

• Difficulty calving• Heifer born with a twin bull is

sterile 91% of the time• Free-martin

Ayrshire

What is ketosis?

• A: Low blood sugar

This breed is the 2nd most numerous worldwide.

• Brown Swiss

QUESTIONS?Note: This is NOT

everything that may be on the test