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 6.89
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -5.28 -0.375 1.98
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 2.21
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.70
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 4.30 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 17.24

* Based on an €80/tonne carbon price