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 8.95
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -11.36 -0.375 4.26
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 3.25
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.85 1.117 0.95
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -1.45
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 4.45 -0.432 -1.92
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 13.98

* Based on an €80/tonne carbon price