Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.12
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -4.64 -0.375 1.74
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index -5.85
Calving Interval (days) 3.88 -1.459 -5.66
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index -0.76
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 2.63

* Based on an €80/tonne carbon price