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 7.58
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -8.50 -0.375 3.18
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 6.25
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 2.00 1.117 2.23
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.27
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 8.43 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 16.70

* Based on an €80/tonne carbon price