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 1.32
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -0.79 -0.375 0.30
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index 0.63
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 3.16

* Based on an €80/tonne carbon price