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 3.03
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 4.82
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 0.62 1.117 0.69
Calving Sub Index 1.99
Gestation Length (days) -2.16 -0.919 1.99
Beef Sub Index 2.86
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 17.35

* Based on an €80/tonne carbon price