1. Dairy Breeds
Dairy Science

2. HOLSTEIN (Friesians)
Number 1 breed in the U.S.
Origin: Netherlands
Color: black & white or red & white
Size: 1500 pounds (largest)

3. HOLSTEIN BULL

4. RED AND WHITE HOLSTEIN
Average productive life span is six years; many three to four years.
Highest milk yield
Average 21,000 pounds of milk per year.
Produce 95.2% of total milk in the U.S.

5. RED AND WHITE HOLSTEIN BULL

6. JERSEY
Number 2 in the U.S.
Origin: Isle of Jersey
Color: fawn to blackish; sometimes spotted; black switch; black hooves
Size: 1000 (smallest)
Produced 3.8% of the total milk production.
highest % fat & protein; 6% butterfat and 4% protein

7. JERSEY BULL

8. BROWN SWISS
Number 3 in the U.S.
Origin: Switzerland
Color: mousy brown to blackish hair with white tips
Size: 1400 pounds
Longevity & ruggedness
Highest protein/fat ratio

9. BROWN SWISS BULL

10. GUERNSEY
No. 4 in U.S.
origin: Isle of Guernsey
color: light red & white
size: 1100 pounds
rich deep yellow milk color (Golden Guernsey)
poor converters of carotene to vit. A

11. GUERNSEY BULL

12. AYRSHIRE
No. 5 in U.S.
origin: County of Ayr in Scotland
color: mahogany spots on white
size: 1200 pounds
excellent grazers

13. AYRSHIRE BULL

14. MILKING SHORTHORN
No. 6 in U.S.
From England
Related to beef shorthorns
Selected for milk production
Castrated males make acceptable market steers

15. MILKING SHORTHORN BULL