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 6.28
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index 1.38
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.36
Carcass Weight (kg) -9.40 -0.528 4.96
Age of Slaughter (days) 6.03 -0.432 -2.60
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index 12.59

* Based on an €80/tonne carbon price