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 4.88
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index 9.18
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 2.01 1.117 2.25
Calving Sub Index 2.52
Gestation Length (days) -2.74 -0.919 2.52
Beef Sub Index -1.49
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 16.51

* Based on an €80/tonne carbon price