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 6.40
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -7.11 -0.441 3.14
Fertility Sub Index -5.83
Calving Interval (days) 2.93 -1.459 -4.27
Survival (%) -1.39 1.117 -1.55
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 0.89
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 1.25

* Based on an €80/tonne carbon price