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 5.43
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -4.65 -0.441 2.05
Fertility Sub Index -3.66
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) -2.62 1.117 -2.93
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -3.01
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -3.14

* Based on an €80/tonne carbon price