Table 4. The changing yield and composition of milk over the last two decades in Canada, as a function of breed (Canadian Dairy Information Centre, www.dairyinfo.gc.ca [1], 2010).
All Breeds | Holstein | Jersey | Guernsey | Brown Swiss | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Year | Yield (kg)* | Fat (%) | Protein (%) | Yield (kg) | Fat (%) | Protein (%) | Yield (kg) | Fat (%) | Protein (%) | Yield (kg) | Fat (%) | Protein (%) | Yield (kg) | Fat (%) | Protein (%) |
2009** | 9,592 | 3.77 | 3.22 | 9,793 | 3.76 | 3.19 | 6,371 | 4.87 | 3.81 | 6,812 | 4.56 | 3.43 | 8,128 | 4.05 | 3.48 |
2008 | 9,642 | 3.78 | 3.23 | 9,836 | 3.74 | 3.20 | 6,435 | 4.84 | 3.81 | 6,820 | 4.51 | 3.45 | 8,366 | 4.04 | 3.48 |
2007 | 9,538 | 3.77 | 3.22 | 9,733 | 3.72 | 3.19 | 6,412 | 4.82 | 3.78 | 6,673 | 4.51 | 3.46 | 8,159 | 4.06 | 3.48 |
2006 | 9,481 | 3.75 | 3.21 | 9,677 | 3.71 | 3.18 | 6,331 | 4.83 | 3.77 | 6,540 | 4.55 | 3.43 | 8,064 | 4.06 | 3.46 |
2005 | 9,422 | 3.76 | 3.21 | 9,624 | 3.71 | 3.19 | 6,279 | 4.85 | 3.77 | 6,398 | 4.50 | 3.43 | 7,792 | 4.12 | 3.48 |
2004 | 9,458 | 3.72 | 3.22 | 9,658 | 3.67 | 3.19 | 6,291 | 4.85 | 3.77 | 6,435 | 4.54 | 3.45 | 8,048 | 4.07 | 3.47 |
2003 | 9,519 | 3.73 | 3.23 | 9,721 | 3.68 | 3.21 | 6,344 | 4.87 | 3.81 | 6,570 | 4.49 | 3.49 | 8,038 | 4.04 | 3.49 |
2002 | 9,511 | 3.72 | 3.25 | 9,717 | 3.67 | 3.22 | 6,407 | 4.86 | 3.84 | 6,347 | 4.44 | 3.51 | 8,215 | 4.03 | 3.50 |
2001 | 9,242 | 3.72 | 3.24 | 9,440 | 3.68 | 3.22 | 6,186 | 4.87 | 3.83 | 6,015 | 4.45 | 3.51 | 8,020 | 4.02 | 3.50 |
2000 | 9,152 | 3.70 | 3.23 | 9,350 | 3.67 | 3.21 | 6,203 | 4.90 | 3.83 | 5,949 | 4.45 | 3.48 | 7,920 | 3.96 | 3.48 |
1999 | 8,960 | 3.69 | 3.24 | 9,162 | 3.66 | 3.22 | 6,072 | 4.89 | 3.85 | 5,939 | 4.43 | 3.54 | 7,585 | 4.03 | 3.54 |
1998 | 8,738 | 3.70 | 3.24 | 8,946 | 3.65 | 3.22 | 6,002 | 4.88 | 3.84 | 5,991 | 4.48 | 3.55 | 7,105 | 4.04 | 3.50 |
1997 | 8,427 | 3.72 | 3.24 | 8,697 | 3.68 | 3.22 | 5,753 | 4.90 | 3.86 | 5,919 | 4.53 | 3.55 | 6,818 | 4.05 | 3.52 |
1996 | 8,424 | 3.76 | 3.25 | 8,633 | 3.72 | 3.23 | 5,720 | 4.93 | 3.86 | 5,984 | 4.56 | 3.54 | 6,910 | 4.08 | 3.53 |
1995 | 8,251 | 3.74 | 3.24 | 8,461 | 3.70 | 3.21 | 5,620 | 4.89 | 3.86 | 5,936 | 4,57 | 3.54 | 6,709 | 4.05 | 3.49 |
1994 | 8,103 | 3.74 | 3.26 | 8,309 | 3.69 | 3.21 | 5.501 | 4.94 | 3.94 | 5,867 | 4.76 | 3.56 | 6,718 | 4.06 | 3.51 |
1993 | 7,988 | 3.75 | 3.25 | 8,193 | 3.71 | 3.21 | 5,408 | 4.94 | 3.88 | 5,826 | 4.58 | 3.57 | 6,639 | 4.07 | 3.52 |
1992 | 7,807 | 3.73 | 3.24 | 8,028 | 3.67 | 3.21 | 5,244 | 4.92 | 3.91 | 5,755 | 4.55 | 3.58 | 6,483 | 4.03 | 3.48 |
1991 | 7,523 | 3.70 | 3.21 | 7,717 | 3.66 | 3.22 | 4,992 | 4.90 | 3.92 | 5,554 | 4.52 | 3.60 | 6,176 | 4.01 | 3.54 |
* Based on a 305 day lactation period.
** In 2009, Holsteins accounted for 92.8% of the population, Jerseys 3.2%, Guernsey <1%, Brown Swiss <1%.