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 7.16
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -7.59 -0.375 2.84
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index 1.44
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.02 1.117 0.02
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -0.97
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 12.30

* Based on an €80/tonne carbon price