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 3.36
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index -6.30
Calving Interval (days) 3.07 -1.459 -4.48
Survival (%) -1.63 1.117 -1.82
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 0.03
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -2.29

* Based on an €80/tonne carbon price