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 15.03
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -14.76 -0.375 5.53
Prot (kg) -14.07 -0.441 6.21
Fertility Sub Index 4.36
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.36
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 24.06

* Based on an €80/tonne carbon price