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 14.49
Milk (kg) -269.00 -0.014 3.77
Fat (kg) -15.48 -0.375 5.80
Prot (kg) -11.17 -0.441 4.93
Fertility Sub Index 1.18
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 1.08 1.117 1.21
Calving Sub Index -1.90
Gestation Length (days) 2.07 -0.919 -1.90
Beef Sub Index -0.39
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 19.33

* Based on an €80/tonne carbon price