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 6.16
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -10.37 -0.375 3.88
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index -0.92
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.63
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 10.77

* Based on an €80/tonne carbon price