Different breeds of milking cows produce different amounts of milk components and milk volume. Some typical values are tabled below.
| DAIRY COW BREEDS | VOLUME (LITRE/LACT) | MILK FAT (%) | MILK PROTEIN (%) | MILK LACTOSE % (LITRE/LACT) |
|---|---|---|---|---|
| Holstein Freisian | 5500 | 3.8 | 3.15 | 4.9 |
| Jersey | 3500 | 4.8 | 3.7 | 4.9 |
| Illawarra | 5000 | 3.6 | 3.3 | 4.9 |
| Ayrshire | 5000 | 4.2 | 3.3 | 4.9 |