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 2.00
Milk (kg) 42.00 -0.014 -0.59
Fat (kg) -0.46 -0.375 0.17
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index -4.15
Calving Interval (days) 2.00 -1.459 -2.92
Survival (%) -1.10 1.117 -1.23
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.25
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index -3.20

* Based on an €80/tonne carbon price