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 3.41
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -4.82 -0.375 1.81
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index 7.01
Calving Interval (days) -4.84 -1.459 7.06
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.25
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 14.37

* Based on an €80/tonne carbon price