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 0.55
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.19 -0.375 0.45
Prot (kg) 0.27 -0.441 -0.12
Fertility Sub Index 2.65
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) 0.77 1.117 0.86
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.60
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price