+101%
+100% milk production per cow
+75%
+50%
+25%
0
1980
1990
2000
2010
2020
+101%
+100% milk production per cow
+75%
+50%
+25%
0
1980
1990
2000
2010
2020
+101%
+100% milk production per cow
+75%
+50%
+25%
0
1980
1990
2000
2010
2020
+101%
+100% milk production per cow
+75%
+50%
+25%
0
1980
1990
2000
2010
2020
+101%
+100% milk production per cow
+75%
+50%
+25%
0
1980
1990
2000
2010
2020