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 4.88
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 1.04
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index -0.15
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 5.97

* Based on an €80/tonne carbon price