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 7.05
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -5.74 -0.375 2.15
Prot (kg) -5.05 -0.441 2.23
Fertility Sub Index 4.20
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 0.12 1.117 0.13
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index -0.39
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 13.84

* Based on an €80/tonne carbon price