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 6.49
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -3.93 -0.375 1.47
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index 0.46
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index 0.42
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index -2.27
Live WT (kg) 7.40 -0.307 -2.27
Total Carbon Sub Index 4.92

* Based on an €80/tonne carbon price