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 5.69
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -7.40 -0.375 2.77
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 5.20
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 1.65 1.117 1.84
Calving Sub Index -0.97
Gestation Length (days) 1.05 -0.919 -0.97
Beef Sub Index -3.39
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 8.44

* Based on an €80/tonne carbon price