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 4.21
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 2.57
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.80 1.117 0.89
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.33
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 4.30 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 15.61

* Based on an €80/tonne carbon price