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 8.35
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -6.44 -0.375 2.41
Prot (kg) -8.12 -0.441 3.58
Fertility Sub Index 7.14
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.37
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 18.33

* Based on an €80/tonne carbon price