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 11.79
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -10.54 -0.375 3.95
Prot (kg) -9.83 -0.441 4.34
Fertility Sub Index 5.21
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 1.32
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 22.33

* Based on an €80/tonne carbon price