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 0.99
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 0.84
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.06 1.117 0.07
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) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 3.05

* Based on an €80/tonne carbon price