Beef Cattle: Feeding Flashcards Preview

Nutrition Final Exam New Material > Beef Cattle: Feeding > Flashcards

Flashcards in Beef Cattle: Feeding Deck (31):
1

What is the order of feeding priority for cows?

Maintenance, growth, milk production, reproduction

2

What is the goal for feeding cow-calf cattle?

Meed needs at low cost while meeting goal of a calf/year

3

How much does it cost to feed cow-calf systems?

50-70% of total cost

4

What is the ideal feed prefered for beef cows to keep labor requirements low?

Forages

5

Beef cattle do well on _____

Pasture

6

How can carrying capacity be increased?

Rotation grazing

7

What is the low critical temp for beef cattle with wet or summer coats?

59*F

8

What is the low critical temp for beef cattle with dry fall coat?

45*F

9

What is the low critical temp for beef cattle with dry winter coat?

32*F

10

What is the low critical temp for beef cattle with dry heavy winter coat?

18*F

11

When do needs of cows and heifers increase?

Last 2 months of pregnancy

12

What should be increased in the last 2 months of pregnancy?

Protein

13

Lactating cows require _____% more protein than dry cows

160-270%

14

Lactating cows require _____% more Ca and P than dry cows

100-250%

15

Supplied free choice to lactating cows

Salt and minerals

16

What should you supplement if the amount of legume in a pasture is reduced?

Protein

17

Provide calves with extra feeds (grain, commercial feed mix) besides milk

Creep feeding

18

When will calves start eating grain with creep feeding?

3 weeks of age

19

What do milk and pasture provide during creep feeding?

Protein, minerals, and vitamins

20

Simplifies weaning and facilitates fall-calving

Creep feeding

21

May lower feedlot gain and efficiency

Creep feeding

22

At least ___% of heifers should be kept as replacements

15%

23

Future bulls used for service should be weaned around ___ months of age

6

24

Bulls are normally _____ til spring and then put on _____

Hand-fed, pasture

25

Feedlot cattle have different nutritional needs according to _____ and _____

Sex and age

26

_____ are 15% more efficient at gaining weight than _____

Steers, heifers

27

Heifers are finished at _____ weights than steers

Lighter

28

Normally hand-fed on high proportion of concentrates, particularly cereals, until market weight

Feedlot cattle

29

Why must the transition to grain be made slowly

Risk of rumen microfloral imbalance

30

If cattle are already adapted to full feed, what should they be fed at the feedlot?

90% grain + 10% roughage

31

Which pasture species is associated with the endophyte fungus that produces ergovaline

Fescue