Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.58
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -1.08 -0.375 0.40
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 1.79
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.33
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price