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 10.08
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -10.31 -0.375 3.86
Prot (kg) -11.24 -0.441 4.96
Fertility Sub Index -9.18
Calving Interval (days) 4.59 -1.459 -6.70
Survival (%) -2.22 1.117 -2.48
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index -1.25
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 6.31 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index -1.69
Live WT (kg) 5.50 -0.307 -1.69
Total Carbon Sub Index -1.08

* Based on an €80/tonne carbon price