4-H Senior Dairy Quiz Bowl

Question 1

How many days does it take for sperm in the bull to develop completely and become capable to fertilize an ovum?

Accepted Answer

45-50 days

Question 2

What is the name of any microorganism that causes disease?

Accepted Answer

Pathogen

Question 3

Most cows will naturally form what kind of plug after dry-off to help prevent bacteria from entering the teat canal?

Accepted Answer

Keratin

Question 4

In feet, how far down in the soil can alfalfa roots reach?

Accepted Answer

15-20 feet

Question 5

In the area of farm safety, what does the acronym PASS stand for when utilizing a fire extinguisher?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Question 6

What element must be absent in order for effective fermentation to occur in a silage pile?

Accepted Answer

Oxygen

Question 7

In 2016 U.S. inventories of what dairy product climbed to their highest since n1984 reaching 1.2 million pounds in stor

Accepted Answer

Cheese

Question 8

The biggest challenge with manure-based bedding is that it is a good medium for what?

Accepted Answer

Bacteria Growth

Question 9

In nearly every dairy ration, what is the most limiting amino acid?

Accepted Answer

Methonine

Question 10

Which two types of flies are cows in confined housing vulnerable to? (more than one answer)

Accepted Answer

Stable Flies, House Flies

Question 11

Where in the cow’s GI tract are amino acids absorbed?

Accepted Answer

Small Intestine

Question 12

BHBA or beta hydroxybutyrate acid levels in milk samples are monitored for which metabolic disorder?

Accepted Answer

Ketosis

Question 13

What are the feed additives magnesium oxide and sodium bicarbonate categorized as?

Accepted Answer

Buffers

Question 14

What vitamin found in milk promotes the absorption of calcium and helps strengthen bones?

Accepted Answer

Vitamin D

Question 15

What initiates the decline of colostrum production?

Accepted Answer

At the start of labor or calving

Question 16

What does the acronym HIR stand for in terms of cow health?

Accepted Answer

High Immune Response

Question 17

What causes an oxidized flavor in milk? (more than one answer)

Accepted Answer

VItamin E, Exposure to sunlight

Question 18

What mineral provides an excellent source of soluble calcium and sulfur when applied to the soil?

Accepted Answer

Gypsum

Question 19

What is the best way to asess the reason a cow died? (more than one answer)

Accepted Answer

Autopsy, Post Mortem, Neocropsy

Questions 19