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 0.98
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -1.00 -0.375 0.37
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 0.75
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 3.43

* Based on an €80/tonne carbon price