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 -0.20
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -0.43 -0.375 0.16
Prot (kg) 0.11 -0.441 -0.05
Fertility Sub Index -5.20
Calving Interval (days) 2.27 -1.459 -3.31
Survival (%) -1.69 1.117 -1.89
Calving Sub Index 1.75
Gestation Length (days) -1.90 -0.919 1.75
Beef Sub Index 0.64
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index -1.04
Live WT (kg) 3.40 -0.307 -1.04
Total Carbon Sub Index -4.06

* Based on an €80/tonne carbon price