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 6.17
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -4.68 -0.375 1.75
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index -8.24
Calving Interval (days) 4.39 -1.459 -6.41
Survival (%) -1.64 1.117 -1.83
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.37
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.97 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -0.30

* Based on an €80/tonne carbon price