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 0.68
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.60 -0.375 0.22
Prot (kg) 2.04 -0.441 -0.90
Fertility Sub Index -2.42
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index -0.74
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -3.35

* Based on an €80/tonne carbon price