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 4.65
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -1.47 -0.375 0.55
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 1.16
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.34
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 8.66

* Based on an €80/tonne carbon price