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 3.50
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -6.46 -0.375 2.42
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index -9.45
Calving Interval (days) 4.70 -1.459 -6.86
Survival (%) -2.32 1.117 -2.59
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index -1.25
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index -1.26
Live WT (kg) 4.10 -0.307 -1.26
Total Carbon Sub Index -7.56

* Based on an €80/tonne carbon price