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 1.44
Milk (kg) -90.00 -0.014 1.26
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 0.92
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 1.35
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 6.51

* Based on an €80/tonne carbon price