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 6.50
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -6.24 -0.375 2.34
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index 0.13
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.44 1.117 0.49
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index -0.03
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 9.16

* Based on an €80/tonne carbon price