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 3.28
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 11.09
Calving Interval (days) -5.63 -1.459 8.21
Survival (%) 2.57 1.117 2.87
Calving Sub Index -1.21
Gestation Length (days) 1.32 -0.919 -1.21
Beef Sub Index -0.04
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 12.83

* Based on an €80/tonne carbon price