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 5.36
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -4.94 -0.375 1.85
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 4.13
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 1.52 1.117 1.70
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.23
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 17.26

* Based on an €80/tonne carbon price