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 1.43
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 6.43
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 1.88 1.117 2.10
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.84
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 16.34

* Based on an €80/tonne carbon price