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 5.21
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -5.15 -0.441 2.27
Fertility Sub Index -0.24
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 6.44

* Based on an €80/tonne carbon price