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 2.77
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -2.48 -0.375 0.93
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index -3.49
Calving Interval (days) 1.34 -1.459 -1.96
Survival (%) -1.37 1.117 -1.53
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
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 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 4.53

* Based on an €80/tonne carbon price