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 3.92
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 0.59
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.30
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price