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 20.04
Milk (kg) -441.00 -0.014 6.17
Fat (kg) -19.16 -0.375 7.18
Prot (kg) -15.16 -0.441 6.69
Fertility Sub Index 2.14
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) -0.40 1.117 -0.45
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.27
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) -2.95 -0.432 1.27
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 25.09

* Based on an €80/tonne carbon price