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 5.65
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -6.95 -0.441 3.07
Fertility Sub Index 0.05
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.05
Gestation Length (days) 0.05 -0.919 -0.05
Beef Sub Index 0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 5.97

* Based on an €80/tonne carbon price