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 0.49
Milk (kg) -66.00 -0.014 0.92
Fat (kg) 4.83 -0.375 -1.81
Prot (kg) -3.12 -0.441 1.38
Fertility Sub Index 1.47
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 0.15 1.117 0.17
Calving Sub Index 1.53
Gestation Length (days) -1.66 -0.919 1.53
Beef Sub Index 0.34
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 9.52

* Based on an €80/tonne carbon price