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 2.88
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -0.03 -0.375 0.01
Prot (kg) -5.55 -0.441 2.45
Fertility Sub Index 1.49
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.70
Gestation Length (days) 0.76 -0.919 -0.70
Beef Sub Index 0.00
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 4.26

* Based on an €80/tonne carbon price