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 1.78
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 0.14
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.30
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 3.87

* Based on an €80/tonne carbon price