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 12.14
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -14.31 -0.375 5.36
Prot (kg) -10.74 -0.441 4.74
Fertility Sub Index 2.24
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index 1.54
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 19.15

* Based on an €80/tonne carbon price