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 -2.02
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) 2.76 -0.375 -1.03
Prot (kg) 2.10 -0.441 -0.93
Fertility Sub Index -5.77
Calving Interval (days) 2.93 -1.459 -4.27
Survival (%) -1.34 1.117 -1.50
Calving Sub Index 2.45
Gestation Length (days) -2.67 -0.919 2.45
Beef Sub Index -1.22
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 4.54 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index -6.23

* Based on an €80/tonne carbon price