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 2.87
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -2.93 -0.441 1.29
Fertility Sub Index 0.32
Calving Interval (days) -0.23 -1.459 0.34
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 3.34

* Based on an €80/tonne carbon price