4-H Junior Dairy Quiz Bowl Practice Questions #8

Question 1

What metabolic disorder often occurs when a dairy cow eats too much grain?

Accepted Answer

Acidosis

Question 2

In what dairy feed would you expect to find dried whey?

Accepted Answer

milk replacer

Question 3

What causes ketosis?

Accepted Answer

negative energy balance

Question 4

Colostrum contains:

Accepted Answer

more protein than whole milk

Question 5

Which organization is charged with evaluating genetic traits of dairy cattle?

Accepted Answer

Animal Improvement Programs Laboratory (AIPL)

Question 6

Name the anatomical structure that sends milk from the esophagus to the abomasum in young cows

Accepted Answer

Esophageal groove

Question 7

Which of the following normally occurs first during a lactation cycle?

Accepted Answer

peak milk production

Question 8

Your cow is sick and the vet treats her with propylene glycol. What is most likely her problem?

Accepted Answer

ketosis

Question 9

Which, if fed in excess, causes overconditioned or fat heifers?

Accepted Answer

energy

Question 10

How many cups of milk are recommended be consumed every day on the USDA's MYPyramid?

Accepted Answer

2-3 cups

Question 11

How many days are there between heat periods in normally cycling dairy cattle?

Accepted Answer

18-21 days

Question 12

Drought-stressed forages can be toxic to dairy animals and are high in?

Accepted Answer

nitrates

Question 13

What is the maximum somatic cell count (cells/ml) allowed in Grade A milk sold in the US?

Accepted Answer

750,000 (cells/ml)

Question 14

Gossypol is a toxic pigment that can be found in which of the following:

Accepted Answer

whole cottonseed

Question 15

A fat source that it can't be degraded in the rumen, but can be digested in the small intestine

Accepted Answer

Rumen-protected or rumen inert

Question 16

What is the blister-like structure on the ovary that contains the egg before ovulation?

Accepted Answer

follicle

Question 17

Mastitis type where no detectable change is in the udder and no obvious abnormality in milk

Accepted Answer

subclinical

Question 18

So a cow with a negative energy balance may end up with ketosis. What are ketosis symptoms?

Accepted Answer

all the above

Question 19

At what point in a lactation curve does peak lactation typically occur?

Accepted Answer

6-8 weeks

Question 20

As milk yield declines with advancing lactation, milk fat test normally?

Accepted Answer

increases

Question 21

Your veterinarian says your cow is in her first trimester. What does that mean?

Accepted Answer

She is in her first 3 months of pregnancy

Question 22

What does it mean to have a negative energy balance?

Accepted Answer

Cow uses more energy than is taken in

Question 23

What is determined by multiplying the nitrogen content by 6.25?

Accepted Answer

crude protein

Question 24

What is the structure on the ovary that produces progesterone during the pregnancy in the cow?

Accepted Answer

Corpus Luteum

Question 25

Which causes ringworm in dairy cattle?

Accepted Answer

fungus

4-H Junior Dairy Quiz Bowl Practice Questions #8

Questions 25

4-H Junior Dairy Quiz Bowl Practice Questions #8

Questions 25