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 15.12
Milk (kg) -637.00 -0.014 8.92
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -13.28 -0.441 5.86
Fertility Sub Index -0.60
Calving Interval (days) 0.93 -1.459 -1.36
Survival (%) 0.68 1.117 0.76
Calving Sub Index 1.51
Gestation Length (days) -1.64 -0.919 1.51
Beef Sub Index 3.25
Carcass Weight (kg) -12.90 -0.528 6.80
Age of Slaughter (days) 8.23 -0.432 -3.55
Maintenance Sub Index Maint. Sub Index 12.32
Live WT (kg) -40.20 -0.307 12.32
Total Carbon Sub Index 31.60

* Based on an €80/tonne carbon price