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 6.39
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -4.08 -0.375 1.53
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 4.12
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 0.35
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 13.51

* Based on an €80/tonne carbon price