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 2.82
Milk (kg) -90.00 -0.014 1.26
Fat (kg) 0.85 -0.375 -0.32
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index -2.00
Calving Interval (days) 1.55 -1.459 -2.26
Survival (%) 0.23 1.117 0.26
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 0.09
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.84 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 5.63

* Based on an €80/tonne carbon price