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 13.30
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -14.74 -0.375 5.52
Prot (kg) -10.45 -0.441 4.61
Fertility Sub Index -1.52
Calving Interval (days) 1.35 -1.459 -1.97
Survival (%) 0.40 1.117 0.45
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -2.55
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 9.08

* Based on an €80/tonne carbon price