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 4.65
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -3.66 -0.375 1.37
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 1.43
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.03 1.117 0.03
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index -1.90
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 8.20 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 4.31

* Based on an €80/tonne carbon price