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 5.67
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -4.39 -0.375 1.64
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index 0.91
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.25
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 7.08

* Based on an €80/tonne carbon price