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 1.22
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 1.44 -0.375 -0.54
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 0.50
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.38
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 2.98

* Based on an €80/tonne carbon price