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 11.92
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -11.71 -0.375 4.39
Prot (kg) -9.77 -0.441 4.31
Fertility Sub Index 5.31
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 0.59 1.117 0.66
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index 0.45
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 18.29

* Based on an €80/tonne carbon price