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 18.14
Milk (kg) -327.00 -0.014 4.58
Fat (kg) -22.01 -0.375 8.24
Prot (kg) -12.04 -0.441 5.31
Fertility Sub Index -2.18
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.01
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 19.12

* Based on an €80/tonne carbon price