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 2.88
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -1.71 -0.375 0.64
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 1.98
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) -0.71 1.117 -0.79
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index -0.13
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) -2.26 -0.432 0.98
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 3.20

* Based on an €80/tonne carbon price