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 12.32
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -10.55 -0.375 3.95
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index -1.05
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) -2.90 1.117 -3.24
Calving Sub Index -3.70
Gestation Length (days) 4.03 -0.919 -3.70
Beef Sub Index 2.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -4.05 -0.432 1.75
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 12.20

* Based on an €80/tonne carbon price