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 16.03
Milk (kg) -354.00 -0.014 4.96
Fat (kg) -13.57 -0.375 5.08
Prot (kg) -13.58 -0.441 5.99
Fertility Sub Index 7.00
Calving Interval (days) -4.28 -1.459 6.24
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index -0.32
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 25.70

* Based on an €80/tonne carbon price