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 5.08
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 2.42
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.70 1.117 0.78
Calving Sub Index 2.56
Gestation Length (days) -2.78 -0.919 2.56
Beef Sub Index -0.64
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 13.25

* Based on an €80/tonne carbon price