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 31.43
Milk (kg) -705.00 -0.014 9.87
Fat (kg) -27.95 -0.375 10.47
Prot (kg) -25.12 -0.441 11.09
Fertility Sub Index 4.81
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 1.11 1.117 1.24
Calving Sub Index -2.36
Gestation Length (days) 2.57 -0.919 -2.36
Beef Sub Index -1.69
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 36.26

* Based on an €80/tonne carbon price