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 1.79
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index -2.08
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) -0.22 1.117 -0.25
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.06
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price