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 2.26
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -1.26 -0.375 0.47
Prot (kg) -3.13 -0.441 1.38
Fertility Sub Index 2.19
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.43
Gestation Length (days) 0.47 -0.919 -0.43
Beef Sub Index 0.92
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 6.26

* Based on an €80/tonne carbon price