ZAP!
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Transcript of ZAP!
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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.
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Why are calves separated from the mother?
• A: To prevent the spread of pathogens from mother to calf
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Brown Swiss
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What is the top milk production state (2011)?
• A: California
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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
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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)
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What is the most popular breed?
• A: Holstein
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How long is the typical ‘dry’ period for a cow?
• A: 30-60 days
• Why do cows need a dry period?
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What is colostrum?• A: Milk from cow 48 hours after
calving
• Why is it important to feed calves colostrum?
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What are the four compartments of the ruminant stomach?
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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)
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Guernsey
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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
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What breed is the smallest mature size, but has the highest % fat and protein in
milk?
• Jersey
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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
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What rank is Minnesota for milk production
(2011)?
• A: 7th
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What is one symptom of hypocalcemia (Milk
Fever)?
• A: Cows are too weak to stand up
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Jersey
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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.
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Holstein
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Why is a sanitizing solution used after
milking?
• A: To prevent the spread of infection
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Why is progeny testing used for dairy bulls?
• A: To ensure selection of bulls that will produce the best calf
for a farm
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How much milk does a typical cow produce daily?
• A: 70 lbs.
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Where does the Ayrshire breed originate from?
• Scotland
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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
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Milking Shorthorn
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Why is twinning undesirable?
• Difficulty calving• Heifer born with a twin bull is
sterile 91% of the time• Free-martin
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Ayrshire
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What is ketosis?
• A: Low blood sugar
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This breed is the 2nd most numerous worldwide.
• Brown Swiss
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QUESTIONS?Note: This is NOT
everything that may be on the test