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 7.68
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -10.43 -0.441 4.60
Fertility Sub Index 0.27
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.23
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 10.55

* Based on an €80/tonne carbon price