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 2.58
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -2.57 -0.375 0.96
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index -0.97
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.89 1.117 -0.99
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 3.09
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) -0.80 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 14.07

* Based on an €80/tonne carbon price