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 6.70
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index -0.59
Calving Interval (days) 0.84 -1.459 -1.23
Survival (%) 0.57 1.117 0.64
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.55
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 18.06

* Based on an €80/tonne carbon price