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 2.20
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -0.54 -0.375 0.20
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 0.22
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.24
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 3.90

* Based on an €80/tonne carbon price