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 1.38
Milk (kg) -90.00 -0.014 1.26
Fat (kg) 2.33 -0.375 -0.87
Prot (kg) -2.25 -0.441 0.99
Fertility Sub Index 1.00
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 0.65
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price