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 8.03
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -6.89 -0.375 2.58
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index -4.84
Calving Interval (days) 2.47 -1.459 -3.60
Survival (%) -1.11 1.117 -1.24
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 0.50
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price