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 -5.58
Milk (kg) -87.00 -0.014 1.22
Fat (kg) 3.73 -0.375 -1.40
Prot (kg) 12.24 -0.441 -5.40
Fertility Sub Index -2.77
Calving Interval (days) 1.66 -1.459 -2.42
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -0.01
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -7.43

* Based on an €80/tonne carbon price