Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.41
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -2.87 -0.375 1.07
Prot (kg) -5.99 -0.441 2.64
Fertility Sub Index 4.08
Calving Interval (days) -2.27 -1.459 3.31
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.47
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 13.34

* Based on an €80/tonne carbon price