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 2.90
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.30 -0.375 1.24
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index -0.58
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) 0.11 1.117 0.12
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.49
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 10.64

* Based on an €80/tonne carbon price