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 1.02
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -0.73 -0.375 0.27
Prot (kg) -0.84 -0.441 0.37
Fertility Sub Index 0.84
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.02
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 3.28

* Based on an €80/tonne carbon price