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 9.25
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -10.03 -0.375 3.76
Prot (kg) -8.55 -0.441 3.77
Fertility Sub Index -4.95
Calving Interval (days) 2.75 -1.459 -4.01
Survival (%) -0.84 1.117 -0.94
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index -0.58
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 4.20

* Based on an €80/tonne carbon price