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) -120.00 -0.014 1.68
Fat (kg) -4.57 -0.375 1.71
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index -0.02
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.14
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index -0.83
Live WT (kg) 2.70 -0.307 -0.83
Total Carbon Sub Index 4.69

* Based on an €80/tonne carbon price