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 4.17
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index -2.93
Calving Interval (days) 0.73 -1.459 -1.07
Survival (%) -1.67 1.117 -1.87
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index -0.95
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 1.42

* Based on an €80/tonne carbon price