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 3.10
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -3.67 -0.375 1.37
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index -5.40
Calving Interval (days) 2.65 -1.459 -3.87
Survival (%) -1.37 1.117 -1.53
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.07
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index -2.38

* Based on an €80/tonne carbon price