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 10.13
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -8.10 -0.375 3.03
Prot (kg) -10.30 -0.441 4.55
Fertility Sub Index -9.13
Calving Interval (days) 4.54 -1.459 -6.62
Survival (%) -2.24 1.117 -2.50
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index -1.09
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index -1.07

* Based on an €80/tonne carbon price