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 6.06
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -0.16 -0.375 0.06
Prot (kg) -9.02 -0.441 3.98
Fertility Sub Index 2.43
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index 0.77
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 10.27

* Based on an €80/tonne carbon price