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 6.13
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -7.75 -0.375 2.90
Prot (kg) -4.18 -0.441 1.84
Fertility Sub Index -13.81
Calving Interval (days) 9.49 -1.459 -13.85
Survival (%) 0.03 1.117 0.03
Calving Sub Index 2.35
Gestation Length (days) -2.56 -0.919 2.35
Beef Sub Index 2.30
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 3.23 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 1.51

* Based on an €80/tonne carbon price