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 20.05
Milk (kg) -412.00 -0.014 5.77
Fat (kg) -22.28 -0.375 8.35
Prot (kg) -13.46 -0.441 5.94
Fertility Sub Index -0.45
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.05 1.117 0.06
Calving Sub Index -1.25
Gestation Length (days) 1.36 -0.919 -1.25
Beef Sub Index -3.58
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 7.68 -0.432 -3.32
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 18.73

* Based on an €80/tonne carbon price