Cattle Nutrition (General) Flashcards
1
Q
What are the 4 important Dairy cattle breeds?
A
Holstein-Friesland
Jersey
Brown Swiss
Ayrshire
2
Q
Holstein-Friesland
- average size
- percent milkfat
- average production (lbs/yr)
A
- cow: 1,500 lbs, bull: 2,200 lbs
- 2.5-3.5% milkfat
- avg production: 23,151 lbs/yr
3
Q
Jersey cattle
- average size
- percent milkfat
- average production (lbs/yr)
A
- cows: 1,000 lbs, bulls: 1,600 lbs
- 4.9% milkfat
- avg production: 16,431 lbs/yr
4
Q
Brown Swiss
- average size
- percent milkfat
- average production (lbs/yr)
A
- cows: 1,500 lbs, bulls: 2,000 lbs
- 4% milkfat
- avg production: 22,252 lbs/yr
5
Q
Ayrshire
- average size
- percent milkfat
- average production (lbs/yr)
A
- cows: 1,200 lbs, bulls: 1,800 lbs
- 4% milkfat
- avg production: 17,230 lbs/yr
6
Q
Which breed is 90% of dairy cattle?
A
Holstein-Friesland
7
Q
Which breed is the smallest dairy cattle?
A
Jersey
8
Q
In which dairy cattle breed are the cows nervous and the bulls aggressive?
A
Jersey
9
Q
Which breed of dairy cattle is heat tolerant and very docile?
A
Brown Swiss
10
Q
Features of Angus breed
A
- high quality carcass
- well-marbled meat
- perform well in feedlots
11
Q
Features of Hereford breed
A
- high beef yield
- docile and easily handled
12
Q
Features of Charolais breed
A
- large, heavily muscled
- high carcass yields
- lean carcass
13
Q
Features of Brahman breed
A
- heat tolerant
- forage on poor pastures
- quality carcass
14
Q
Feature of Texas Longhorn
A
- adapted to harsh environments of SW USA
- slow maturity
- tolerant to diseases and parasites
- survive on sparse rangelands
15
Q
What are composite breeds?
A
pure breeds that result from the intentional crosses of other pure breeds
