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 7.63
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -7.02 -0.375 2.63
Prot (kg) -6.61 -0.441 2.92
Fertility Sub Index 2.20
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 1.00 1.117 1.12
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.74
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 19.35

* Based on an €80/tonne carbon price