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 -7.24
Milk (kg) -206.00 -0.014 2.88
Fat (kg) 22.30 -0.375 -8.35
Prot (kg) 4.01 -0.441 -1.77
Fertility Sub Index 1.34
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) -0.59 1.117 -0.66
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index -0.13
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -3.98

* Based on an €80/tonne carbon price