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 8.02
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -8.60 -0.375 3.22
Prot (kg) -6.46 -0.441 2.85
Fertility Sub Index 5.18
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 0.84 1.117 0.94
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.08
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 15.40

* Based on an €80/tonne carbon price