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 13.38
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -12.60 -0.375 4.72
Prot (kg) -12.39 -0.441 5.47
Fertility Sub Index 1.20
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) -0.56 1.117 -0.63
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 2.28
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 22.22

* Based on an €80/tonne carbon price