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 6.54
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index -0.45
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 1.24 1.117 1.39
Calving Sub Index -0.74
Gestation Length (days) 0.81 -0.919 -0.74
Beef Sub Index -2.17
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 6.61 -0.432 -2.85
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 8.27

* Based on an €80/tonne carbon price