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 2.53
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index 1.79
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.86
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.31 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 10.01

* Based on an €80/tonne carbon price