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 1.55
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -1.25 -0.375 0.47
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index -2.12
Calving Interval (days) 1.66 -1.459 -2.42
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index -0.49
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 1.91

* Based on an €80/tonne carbon price