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 2.56
Milk (kg) -126.00 -0.014 1.76
Fat (kg) 0.77 -0.375 -0.29
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index -0.15
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.35
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 3.30

* Based on an €80/tonne carbon price