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 5.26
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -5.66 -0.375 2.12
Prot (kg) -4.79 -0.441 2.11
Fertility Sub Index -0.59
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) 0.32 1.117 0.36
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.34
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 12.23

* Based on an €80/tonne carbon price