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 9.68
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -10.19 -0.375 3.82
Prot (kg) -7.31 -0.441 3.23
Fertility Sub Index 0.13
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.28
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 17.45

* Based on an €80/tonne carbon price