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 20.84
Milk (kg) -489.00 -0.014 6.85
Fat (kg) -19.05 -0.375 7.14
Prot (kg) -15.54 -0.441 6.86
Fertility Sub Index 4.20
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 0.17 1.117 0.19
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index -0.16
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 30.20

* Based on an €80/tonne carbon price