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 1.36
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.44 -0.375 0.54
Prot (kg) -1.35 -0.441 0.60
Fertility Sub Index -0.24
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
Beef Sub Index 0.07
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 3.42

* Based on an €80/tonne carbon price