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 3.49
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -0.60 -0.441 0.26
Fertility Sub Index 1.14
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.52
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 13.32

* Based on an €80/tonne carbon price