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 5.03
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -6.80 -0.375 2.55
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 0.18
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.49 1.117 0.55
Calving Sub Index -2.03
Gestation Length (days) 2.21 -0.919 -2.03
Beef Sub Index -4.20
Carcass Weight (kg) 11.60 -0.528 -6.12
Age of Slaughter (days) -4.45 -0.432 1.92
Maintenance Sub Index Maint. Sub Index -5.89
Live WT (kg) 19.20 -0.307 -5.89
Total Carbon Sub Index -6.91

* Based on an €80/tonne carbon price