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 11.44
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -19.53 -0.375 7.32
Prot (kg) -8.71 -0.441 3.84
Fertility Sub Index 3.24
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.80 1.117 0.89
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.24
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 16.97

* Based on an €80/tonne carbon price