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 1.83
Milk (kg) -83.00 -0.014 1.16
Fat (kg) 0.05 -0.375 -0.02
Prot (kg) -1.55 -0.441 0.68
Fertility Sub Index 10.06
Calving Interval (days) -6.41 -1.459 9.35
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 6.28
Carcass Weight (kg) -10.80 -0.528 5.70
Age of Slaughter (days) -1.36 -0.432 0.59
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 22.71

* Based on an €80/tonne carbon price