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 13.21
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -13.29 -0.375 4.98
Prot (kg) -12.92 -0.441 5.70
Fertility Sub Index -2.90
Calving Interval (days) 1.61 -1.459 -2.35
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -0.04
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.50 -0.432 -1.94
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index 9.76

* Based on an €80/tonne carbon price