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 22.40
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -13.54 -0.375 5.07
Prot (kg) -35.02 -0.441 15.46
Fertility Sub Index 0.22
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.06
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 22.97

* Based on an €80/tonne carbon price