10/23/24 Flashcards
1
Q
What is the genus of cow
A
Bos
2
Q
What are cow species
A
Taurus
3
Q
How many chromosomes are in cows
A
60 chromosomes
4
Q
How many dairy cows are in the world
A
1.5 billion
5
Q
Where are the majority of dairy cows
A
Located in India
6
Q
How many dairy cows are in the US
A
9 million
7
Q
How many pounds of milk do Holstein cows produce
A
23,700 Ib
8
Q
How much milk do Jersey cows produce
A
17,300 Ib
9
Q
How long does lactation last in Dairy cows
A
300-305 days
10
Q
How long are dairy cow dry periods
A
60 days
11
Q
What are the 5 key ingredients of milk
A
90% water, lactose(sugar), fat, protein, calcium
12
Q
How many teats does one udder have?
A
4
