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 2.80
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index 0.93
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) -0.25 1.117 -0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 4.58

* Based on an €80/tonne carbon price