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 13.77
Milk (kg) -247.00 -0.014 3.46
Fat (kg) -15.28 -0.375 5.72
Prot (kg) -10.40 -0.441 4.59
Fertility Sub Index -1.04
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 2.95
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 20.12

* Based on an €80/tonne carbon price