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 6.90
Milk (kg) -240.00 -0.014 3.36
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -5.69 -0.441 2.51
Fertility Sub Index 2.23
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.16
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.07 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 10.76

* Based on an €80/tonne carbon price