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 2.26
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -2.54 -0.375 0.95
Prot (kg) -1.80 -0.441 0.79
Fertility Sub Index 2.35
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 0.38 1.117 0.42
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 1.26
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 8.81

* Based on an €80/tonne carbon price