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 10.71
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -12.03 -0.375 4.51
Prot (kg) -9.10 -0.441 4.02
Fertility Sub Index 2.82
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) -0.70 1.117 -0.78
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 0.01
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.28 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price