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 8.15
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -11.63 -0.375 4.36
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 1.14
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 1.03 1.117 1.15
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.19
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 19.14

* Based on an €80/tonne carbon price