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 2.92
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -1.25 -0.375 0.47
Prot (kg) -1.95 -0.441 0.86
Fertility Sub Index 2.61
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 2.31 1.117 2.58
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.42

* Based on an €80/tonne carbon price