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 0.35
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -0.64 -0.375 0.24
Prot (kg) 2.04 -0.441 -0.90
Fertility Sub Index -2.90
Calving Interval (days) 1.78 -1.459 -2.60
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -1.24
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.36 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -4.53

* Based on an €80/tonne carbon price