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 9.68
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -9.82 -0.375 3.68
Prot (kg) -8.34 -0.441 3.68
Fertility Sub Index 5.06
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) -0.59 1.117 -0.66
Calving Sub Index -1.60
Gestation Length (days) 1.74 -0.919 -1.60
Beef Sub Index 1.93
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 16.33

* Based on an €80/tonne carbon price