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 1.40
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.34 -0.375 0.50
Prot (kg) -1.53 -0.441 0.68
Fertility Sub Index 8.20
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 2.27 1.117 2.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 12.18

* Based on an €80/tonne carbon price