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 8.28
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -13.83 -0.375 5.18
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 2.21
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.94
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 9.15

* Based on an €80/tonne carbon price