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 13.36
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -12.62 -0.375 4.73
Prot (kg) -11.29 -0.441 4.98
Fertility Sub Index 1.65
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.08
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 18.45

* Based on an €80/tonne carbon price