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 6.26
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -8.30 -0.375 3.11
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index 1.84
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.85
Gestation Length (days) 0.93 -0.919 -0.85
Beef Sub Index -1.75
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 2.58 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 6.82

* Based on an €80/tonne carbon price