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 6.60
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -7.28 -0.441 3.21
Fertility Sub Index -11.72
Calving Interval (days) 6.07 -1.459 -8.86
Survival (%) -2.56 1.117 -2.86
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 0.25
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -3.68

* Based on an €80/tonne carbon price