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 4.44
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index -5.16
Calving Interval (days) 2.05 -1.459 -2.99
Survival (%) -1.94 1.117 -2.17
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index -0.22
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 4.18

* Based on an €80/tonne carbon price