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 4.49
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -2.51 -0.375 0.94
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index 1.09
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 0.25
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 8.49

* Based on an €80/tonne carbon price