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 4.14
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index -2.15
Calving Interval (days) 0.70 -1.459 -1.02
Survival (%) -1.01 1.117 -1.13
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index 0.36
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price