TERM 1
Mature male
DEFINITION 1
Bull
TERM 2
Mature Female
DEFINITION 2
Cow
TERM 3
Castrated male
DEFINITION 3
steer
TERM 4
Virgin female or one who has not had a baby
not calved
DEFINITION 4
Heifer
TERM 5
Newborn
DEFINITION 5
Calf
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beef and dairy | AGR 130 - Intro to Animal Science, Quizzes of Animal Biology
Class: AGR 130 - Intro to Animal Science; Subject: Agriculture; University: Volunteer State Community College; Term: Spring 2013;
Typology: Quizzes
2012/2013
1 / 6
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Mature male
Bull TERM 2
Mature Female
DEFINITION 2 Cow TERM 3
Castrated male
DEFINITION 3 steer TERM 4
Virgin female or one who has not had a baby
not calved
DEFINITION 4 Heifer TERM 5
Newborn
DEFINITION 5 Calf
Giving Birth
Calving TERM 7
Holstein Friesian
DEFINITION 7 Northern EuropeanMost common breed by far (red/white or black/white color pattern)Highest milk production of any breed below average milk quality (Protein and fatcontent) Large fram below average reproduction best suited for conventional day. TERM 8
Jersey
DEFINITION 8 British Islandssmallest frame and very efficient usually the milk quality (fat and protein content) Profitable despite low milk production because of efficiency and milk quality and very well suited for grazing or hybrid dairies TERM 9
Guernsey
DEFINITION 9 Bristish Islandsrare in the US large framed with below average production known for high milk fat content profitability doesn't compete well with other breeds TERM 10
Aryshire
DEFINITION 10 British islandsvery rare in the US very much like a red and white Holstein, but much lower production profitabiliydoesn't com pete well with other breeds
Calving Interval (CI)
number of months bnetween calving Ideal numbe: 12 for a 305 day lactation, (14 for a 365 day lactation). Realistic goal: less than 13.5 months, greater and you are losing money. TERM 17
Day open (DO)
DEFINITION 17 Days from calving to conceptionIdeal number: 95 days (365- 270)Realistic goal: less than 120 days TERM 18
Days dry (DD)
DEFINITION 18 days from dry off to calving Ideal number: anything between 40 to 60 days TERM 19
Service per conception
DEFINITION 19 Number of matings (inseminations) required before pregnancy occursIdeal number: 1Realistic goal: less than 2. TERM 20
Angus
DEFINITION 20 N. Europe M. frame sizeCarcass Quality: Excellent Carcass Yeild: High Polled, Industry Standard
Hereford
N. EuropeM. frame sizeCarcass Quality: Good to Excellent Carcass Yield: Highpolled or horned, Industy Standard TERM 22
Charolais
DEFINITION 22 FranceL. Frame sizecarcass quality: GoodCarcass Yield: Avg.Poor reproductive performance TERM 23
Murray Grey
DEFINITION 23 AustraliaM. Fram SizeCarcass Quality: Good to Excellent Carcass Yield: HighVery adaptable to poor clilmate for a Bos taurus TERM 24
Chianina
DEFINITION 24 ItalyL. Fram SizeCarcass Quailty: Avg. Carcass Yield: PoorExtreme frame size best used for crossbreeding TERM 25
Longhorns
DEFINITION 25 US nativeM. Frame sizecarcass Quailty: poor Carcass Yield: Avg.Only ture North American breed, Novelty breed