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 7.33
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -10.35 -0.375 3.88
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index -8.08
Calving Interval (days) 4.08 -1.459 -5.95
Survival (%) -1.90 1.117 -2.12
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index -0.14
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.75 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index -0.22

* Based on an €80/tonne carbon price