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 5.18
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.57 -0.375 1.71
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 0.63
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.17 1.117 0.19
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.09
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 15.32

* Based on an €80/tonne carbon price