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 17.22
Milk (kg) -614.00 -0.014 8.60
Fat (kg) -6.11 -0.375 2.29
Prot (kg) -14.35 -0.441 6.33
Fertility Sub Index -0.63
Calving Interval (days) 0.96 -1.459 -1.40
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 2.12
Carcass Weight (kg) -11.30 -0.528 5.96
Age of Slaughter (days) 8.89 -0.432 -3.84
Maintenance Sub Index Maint. Sub Index 12.05
Live WT (kg) -39.30 -0.307 12.05
Total Carbon Sub Index 31.23

* Based on an €80/tonne carbon price