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 12.17
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -12.71 -0.375 4.76
Prot (kg) -11.97 -0.441 5.28
Fertility Sub Index 11.11
Calving Interval (days) -4.95 -1.459 7.22
Survival (%) 3.48 1.117 3.89
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 1.75
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 27.14

* Based on an €80/tonne carbon price