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 5.90
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -5.83 -0.375 2.18
Prot (kg) -4.71 -0.441 2.08
Fertility Sub Index 2.55
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index -3.11
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 4.77

* Based on an €80/tonne carbon price