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 3.20
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -5.39
Calving Interval (days) 2.75 -1.459 -4.01
Survival (%) -1.23 1.117 -1.37
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.35
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -0.91

* Based on an €80/tonne carbon price