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 3.23
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -0.09 -0.441 0.04
Fertility Sub Index 3.10
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index -5.61
Carcass Weight (kg) 9.90 -0.528 -5.22
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index -1.81
Live WT (kg) 5.90 -0.307 -1.81
Total Carbon Sub Index -1.91

* Based on an €80/tonne carbon price