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 7.02
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index -4.73
Calving Interval (days) 2.30 -1.459 -3.36
Survival (%) -1.23 1.117 -1.37
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 3.16

* Based on an €80/tonne carbon price