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 9.98
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -12.67 -0.375 4.75
Prot (kg) -7.90 -0.441 3.49
Fertility Sub Index -4.20
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) -2.19 1.117 -2.45
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.34
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price