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 13.91
Milk (kg) -296.00 -0.014 4.14
Fat (kg) -12.70 -0.375 4.76
Prot (kg) -11.35 -0.441 5.01
Fertility Sub Index 3.04
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 2.02
Gestation Length (days) -2.20 -0.919 2.02
Beef Sub Index 0.20
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 22.51

* Based on an €80/tonne carbon price