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 3.75
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index -8.46
Calving Interval (days) 4.51 -1.459 -6.58
Survival (%) -1.68 1.117 -1.88
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index -0.46
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index -4.30

* Based on an €80/tonne carbon price