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 2.25
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -4.73 -0.375 1.77
Prot (kg) 1.52 -0.441 -0.67
Fertility Sub Index 3.67
Calving Interval (days) -1.91 -1.459 2.79
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.87
Gestation Length (days) -4.21 -0.919 3.87
Beef Sub Index 1.28
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 8.31

* Based on an €80/tonne carbon price