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 1.04
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index -0.60
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) -0.38 1.117 -0.42
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.58
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 4.59

* Based on an €80/tonne carbon price