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 10.93
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -12.25 -0.375 4.59
Prot (kg) -8.16 -0.441 3.60
Fertility Sub Index -1.85
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) -0.68 1.117 -0.76
Calving Sub Index -1.65
Gestation Length (days) 1.79 -0.919 -1.65
Beef Sub Index -2.10
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index 3.44

* Based on an €80/tonne carbon price