Exam 2 Flashcards Preview

Animal Science 200 > Exam 2 > Flashcards

Flashcards in Exam 2 Deck (25):
1

What are the managements for low annual costs? ( 4 )

- Feed costs usually account for 50-70% of annual costs
- Period from weaning to last 1/3 of gestation is time to save money
- Labor costs compose 15-29% of annual cow costs
- Palpate cows for pregnancy

2

What are the primary factors of Stocker - Yearling Production?

- Marketing ( buy + sell )
- Gaining ability of cattle
- Amount of availability forage
- Health of cattle

3

In ______ - _______ operations be aware of shrink loss of 3-12% while cattle can take 2-3 weeks to recover lost weight.

Stocker - yearling

4

True or False: stocker yearling cattle that are purchased and sold multiple times are not high at risk for common diseases.

False: they are at very high risk for common disease

5

What diseases are common in stocker-yearling operations?

- Shipping fever
- Respiratory disease

6

Name two types of feedlot operations.

- Commercial Feeders
- Farmer-Feeder feedlots

7

How many head are usually in a commercial feedlot?

Over 1,000 head of cattle at a time

8

Who owns the cows in a commercial feedlot?

- The Feedlot
- Investors
- Producers
- Packers

9

How many head are usually in a Farmer-Feeder Feedlot?

Less than 1,000 head

10

Why are there mounds in a pen at a feedlot?

To keep some dry areas and to help with runoff

11

True or False: all feedlots have feed mills on site

False: not all of them have one on site

12

What are feeder cattle priced for?

- Weight
- Sex
- Fill ( content of digestive tract )
- Skeletal Size
- Thickness
- Body Condition

13

True or False: If you feed Low Quality forages (thin) and will gain quickly when put on a good ration

True

14

What percentage of total costs goes towards feed?

60-75%

15

What are the four primary issues in environmental management?

- Dust
- Odor
- Water Quality
- Flies

16

Name some ways that water runoff can be managed?

- Ditches
- Gras filter strips
- Dams
- Controlled drain systems

17

What are the three times of year where you need to do a BSE?

1. just before breeding season
2. immediately after breeding season
3. at weaning time

18

What does a basic breeding soundness exam consist of?

- Physical examination
- examination of the reproductive organs
- measurement of scrotal circumference
- evaluation os semen

19

Is a history of the bulls illnesses helpful when looking at a BSE?

yes

20

A bulls scrotal circumference directly relates to his daughters reaching ____________

puberty faster

21

What are the three stages of calving?

1. visible signs of labor
2. birth of calf
3. expulsion of fetal membrane within 9-12 hours after delivery

22

What does stage 1 of calving consist of?

- seeking an isolated spot
- liquefaction and expulsion of cervical plug
- restlessness, kicking at belly
- tail movement
- water sack shows

23

What does the second stage of calving consist of?

- cervix dilates
- amniotic sac breaks
- fetal limbs enter birth canal
- PRESENTATION, POSITION, POSTURE
* if stage 2 lasts more than 1 hour call for assistance

24

What is the most common reason for calf loss?

Distocia

25

How long is the normal expulsion of a fetal membrane and how long after calving does it occur?

normal expulsion of fetal membrane lasts 24 hours and happens 3 to 8 hours after calving