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 0.47
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -2.63 -0.375 0.99
Prot (kg) 0.79 -0.441 -0.35
Fertility Sub Index -0.23
Calving Interval (days) 0.88 -1.459 -1.28
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.04
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 8.23

* Based on an €80/tonne carbon price