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 12.28
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -11.17 -0.375 4.18
Prot (kg) -12.77 -0.441 5.64
Fertility Sub Index 5.40
Calving Interval (days) -3.64 -1.459 5.31
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index -0.20
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 18.55

* Based on an €80/tonne carbon price