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 0.51
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 0.71 -0.375 -0.27
Prot (kg) 1.23 -0.441 -0.54
Fertility Sub Index 1.48
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.97 1.117 1.08
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 0.04
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 8.45

* Based on an €80/tonne carbon price