Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANSC 301 Production > Final Exam - Data Selection > Flashcards

Final Exam - Data Selection Flashcards

1
Q

What are the 5 category for cattle data

A

Reproductive Performance
Mothering Ability
Growth Rate
Efficiency of Gain
Carcass Meri

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a efficient herd

A

1 calf from each cow every 12 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the two ways to measure performance

A
  • % Calf Crop
  • Weaning weight per cow exposed
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the two individual performance

A

Reproduction
Scrotal Circumference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is calving interval

A

reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Calving Intervals
* # of days from —- until the next calf
* — Days
* —- Window

A

calving
365
Breeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Scrotal Circumference
* —- ability to produce —-
* Earlier onset of —

A

Bull’s
sperm
puberty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Indicative of mothering ability/milk

A

Weight of Calf at Weaning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Need to be standardized by calf age (205 day)

A

Weight of Calf at weaning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the standarized in weight of calf at weaning

A

Weaned the same day even though they are not born the same day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which is heavier earlier or later calving cows

A

earlier calving cows are heavier weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

High birth weights equals to what

A

dystocia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Benefits of of high birth weights

A

Increased weaning and yearling weights

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How to solve the high birth weight problem

A

Select bull that has been tested for calving ease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Single most accurate of a calf’s economic value

A

Yearling Weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Combines preweaning growth with gain from weaning to a year of age

A

Yearling weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Yearling weight heritability is moderately

A

high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

4 Carcass Characteristitcs

A

Ribeye area
Backfat
Marbling
Carcass weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are the 3 carcass characteristic you could measure using a ultrasound

A

Ribeye Area
Backfat
Marbling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Predictor of how future progeny should perform relative to others

A

Expected progeny differences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Multi-trait selection tool specific to a certain breeding objective (express in $)

A

Economic Index

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the 5 Production EPDs

A

Calving Ease (CE)
Birth Weight (BW)
Weaning Weight (WW)
Yearling Weight (YW)
Scrotal Circumference (SC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are the 4 Maternal EPDs

A

Heifer Pregnancy (HP)
Milk
Mature Weight (MW)
Cow Energy Value ($EN)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What are the 4 Carcass EPDs

A
  • Carcass Weight (CW)
  • Marbling (MARB)
  • Ribeye Area (RE)
  • Fat Thickness (FAT)
25
Q

What are the 5 Indexes

A
  • Angus-on-Holstein ($AxH)
  • Maternal Weaned Calf Value ($M)
  • Grid Value ($G)
  • Beef Value ($B)
  • Combined Value ($C)
26
Q

What is Combined Value

A

Combines $M and $B

27
Q

What is the standard cow breed

28
Q

What are the 3 measurement for Sow Productivity

A

Wean to Estrus
Litter Size
Litter weight (21 days)

29
Q

Time interval from the date of weaning until a sow returns to
estrus

A

Wean to Estrus

30
Q

Number of live pigs born per litter

A

Litter Size

31
Q

Indicator of mothering/milking ability of sow

A

Litter Weight

32
Q

What is Days to 250

A

of days it takes to reach 250 lbs.

33
Q

How is Days to 250 measured

A

actual days or EPD

34
Q

What is Feed Efficiency

A

Feed to Gain ratio

35
Q

How is feed efficiency impacted by

A

the environment, feed intake over maintenance, and
composition of gain

36
Q

How to select for better Feed Effienciency

A

later maturing, leaner stock

37
Q

Carcass Characteristics of Swine

A

Backfat
Loin Eye Area
Intramuscular Fat

38
Q

2 Carcass Characteristic that can Scanned/Actual Data or EPD in swine

A

BackFat
Loin eye area

39
Q

Marbling

A

Intramuscular Fat

40
Q

What are the 3 indexes in swine data

A

Maternal Line Index
Terminal Sire Index
Sow Productivity Index

41
Q

Emphasis on maternal traits; use when selecting replacement
gilts or boars to make replacement gilts

A

Maternal Line Index

42
Q

What is included in Maternal Line Index

A

NBA
21 day litter weight
Days to 250
Back fat

43
Q

Growth and leanness

A

Terminal Sire Index

44
Q

What is included in terminal sire index

A

days to 250 and backfat

45
Q

Utilized to identify top producing sows

A

Sow Productivity Index

46
Q

What is included in Sow Productivity Index

A

Numbers of pigs born alive
21 days litter weight

47
Q

What are the three reproductive efficiency in sheep

A

Ewes that have lambed tine and triplets
Early Puberty
Multiple birth is a increased reproductive efficiency

48
Q

Issue with Multiple birth is a increased reproductive efficiency

A

low heritability

49
Q

First indicator of growth rate, heavier birth weight lambs grow faster

A

Birth Weight

50
Q

Might have lambing problems if too big

A

Birth Weight

51
Q

Ewe’s milk producing ability and early indicator of growth potential

A

Weaning weight

52
Q

What are the days that measures weaning weight in sheep

53
Q

Reflective of milk producing of ewe

54
Q

Growth Potential days

A

90 and 120

55
Q

Post-weaning weight

A

Growth Rate

56
Q

What is the typical age of growth rate

57
Q

What are the 2 carcass characteristics in sheep

A

Cutability
Scanned Data

58
Q

What is FEPD

A

Flock Expected Progeny Differences

59
Q

What are the 4 traits found in the Flock Expected Progeny Differences

A
  • Number of lambs born per lambing
  • Pounds of lamb weaned per ewe exposed
  • 30, 60, 90, 120, and 240 day weights
  • Wool production traits

ANSC 301 Production (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions