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 10.55
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -11.55 -0.375 4.33
Prot (kg) -9.16 -0.441 4.04
Fertility Sub Index 7.36
Calving Interval (days) -4.32 -1.459 6.30
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index 0.40
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 21.92

* Based on an €80/tonne carbon price