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 5.35
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -8.84 -0.441 3.90
Fertility Sub Index -0.36
Calving Interval (days) 0.26 -1.459 -0.38
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.43
Gestation Length (days) 0.47 -0.919 -0.43
Beef Sub Index -0.40
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 5.33 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 4.29

* Based on an €80/tonne carbon price