Dairy Cattle Nutrition: Feedstuffs

Question 1

Compared to corn, what is the energy and protein content of oats?

Answer 1

Lower energy content than corn

Higher protein content than corn

Question 2

What is the cheapest and affordable source of nutrients?

Answer 2

Roughages

Question 3

4 types of Cereals

Answer 3

1) Corn
2) Oats
3) Barley
4) Wheat

Question 4

Which type of roughage has little nutritional value and is a cheap alternative for feeding dry cows and older heifers?

Answer 4

Straw

(mainly add fiber to the diet)

Question 5

Lactating cows rarely get enough dry matter if pasture is the major source of roughage

True or False?

Answer 5

True

Question 6

Which type of protein supplement is the excellent source of protein?

Answer 6

Soybean Meal

Question 7

Which type of roughage will cows eat less of as it matures?

Answer 7

Green Chop

Question 8

What type of cows need water in relation to size more than any
farm animal?

Answer 8

Lactating cows

Question 9

6 types of Roughages

Answer 9

1) Hay
2) Green Chop
3) Silage
4) Corn Silage
5) Straw
6) Pasture

Question 10

What are the 3 less common protein supplements that are not recommended for dairy cattle?

Answer 10

1) Fish meal
2) Meat meal
3) Blood meal

Question 11

What is the crude protein content of Corn Gluten Meal?

Answer 11

40 - 60 %

Question 12

5 By-Products of the Food Industry

Answer 12

1) Alfalfa meal
2) Beet pulp
3) Citrus/Tomato pulp
4) Whole cottonseed
5) Molasses

Question 13

Which type of roughage has 20% (or less) moisture content when baled?

Answer 13

Hay

Question 14

Which type of cereal is high in energy and protein?

Answer 14

Wheat

Question 15

What are 2 things dairy cattle are supplemented with?

Answer 15

1) Concentrated feeding
2) Grains

Question 16

What percentage of water is in milk?

Answer 16

85%

Question 17

6 types of protein supplements

Answer 17

1) Corn Gluten Meal
2) Distillers’ Dried Grains
3) Soybean Meal
4) Sunflower Meal
5) Linseed Meal
6) Cottonseed Meal

Question 18

Which type of roughage has higher moisture contents than dry roughages?

Answer 18

Silage

Question 19

Which type of cereal is the most commonly used grain in dairy rations?

Answer 19

Corn

Question 20

What is the protein content of Distillers’ Dried Grains?

Answer 20

20 - 30 %

Question 21

3 types of roughages for basis of rations

Answer 21

1) Pasture
2) Hay
3) Silage

Question 22

Which type of roughage is supplemented needed since 8% of DM is protein and it’s also low on minerals?

Answer 22

Corn Silage

Question 23

Which type of roughage reduces labor at feeding and reduces manure handling?

Answer 23

Pasture

Question 24

Sorghum is a C4 grass

True or False?

Answer 24

True

Question 25

What is the economic non-protein nitrogen (NPN) source for boosting protein levels in ruminant rations?

Answer 25

Feed Grade Urea

Question 26

Equation for Dry Matter (DM)

Answer 26

DM = (Dry weight/fresh weight) x 100