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 1.18
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -0.78 -0.441 0.34
Fertility Sub Index -7.01
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -3.49 1.117 -3.90
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index -1.05
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index -5.93

* Based on an €80/tonne carbon price