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 0.11
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -2.26 -0.375 0.85
Prot (kg) 1.64 -0.441 -0.72
Fertility Sub Index 5.48
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.03
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 13.26

* Based on an €80/tonne carbon price