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 0.62
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 0.68 -0.375 -0.25
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index -1.29
Calving Interval (days) 0.54 -1.459 -0.79
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index -0.11
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index -0.21

* Based on an €80/tonne carbon price