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 24.22
Milk (kg) -452.00 -0.014 6.33
Fat (kg) -21.74 -0.375 8.14
Prot (kg) -22.10 -0.441 9.75
Fertility Sub Index -2.52
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) -0.73 1.117 -0.82
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.39
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 23.01

* Based on an €80/tonne carbon price