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 -3.62
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 1.44 -0.375 -0.54
Prot (kg) 7.18 -0.441 -3.17
Fertility Sub Index 1.35
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.51
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 6.42

* Based on an €80/tonne carbon price