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 4.27
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -0.57
Calving Interval (days) 0.39 -1.459 -0.57
Survival (%) 0.00 1.117 0.00
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index -0.46
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price