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 8.01
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -10.46 -0.375 3.92
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index -11.73
Calving Interval (days) 5.85 -1.459 -8.54
Survival (%) -2.86 1.117 -3.20
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.20
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index -1.75

* Based on an €80/tonne carbon price