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 -6.05
Milk (kg) 50.00 -0.014 -0.70
Fat (kg) 7.20 -0.375 -2.70
Prot (kg) 6.01 -0.441 -2.65
Fertility Sub Index -4.93
Calving Interval (days) 3.19 -1.459 -4.65
Survival (%) -0.25 1.117 -0.28
Calving Sub Index 1.84
Gestation Length (days) -2.00 -0.919 1.84
Beef Sub Index 0.22
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index -8.16

* Based on an €80/tonne carbon price