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 6.74
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -8.63 -0.441 3.81
Fertility Sub Index -11.27
Calving Interval (days) 5.92 -1.459 -8.64
Survival (%) -2.36 1.117 -2.64
Calving Sub Index 1.63
Gestation Length (days) -1.77 -0.919 1.63
Beef Sub Index -0.18
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -2.29

* Based on an €80/tonne carbon price