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 10.96
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -10.41 -0.375 3.90
Prot (kg) -10.20 -0.441 4.50
Fertility Sub Index 1.58
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 0.28
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.36 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 13.20

* Based on an €80/tonne carbon price