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 0.54
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -1.99 -0.375 0.75
Prot (kg) 1.07 -0.441 -0.47
Fertility Sub Index 2.02
Calving Interval (days) -0.61 -1.459 0.89
Survival (%) 1.01 1.117 1.13
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.07
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 11.25

* Based on an €80/tonne carbon price