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 6.08
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -7.56 -0.375 2.83
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -1.31
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 0.19 1.117 0.21
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.90
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 15.74

* Based on an €80/tonne carbon price