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 4.11
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -2.34 -0.375 0.88
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index -1.32
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.73
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 5.46

* Based on an €80/tonne carbon price