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 5.83
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 0.98
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.05
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 10.65

* Based on an €80/tonne carbon price