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 7.20
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -8.86 -0.375 3.32
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 0.22
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.45
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 17.01

* Based on an €80/tonne carbon price