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 11.31
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -7.89 -0.375 2.96
Prot (kg) -10.74 -0.441 4.74
Fertility Sub Index 5.88
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.35
Gestation Length (days) -1.47 -0.919 1.35
Beef Sub Index 1.84
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 24.30

* Based on an €80/tonne carbon price