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 -5.92
Milk (kg) 100.00 -0.014 -1.40
Fat (kg) 12.84 -0.375 -4.81
Prot (kg) -0.65 -0.441 0.29
Fertility Sub Index -1.94
Calving Interval (days) 0.96 -1.459 -1.40
Survival (%) -0.48 1.117 -0.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.82
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index -6.10

* Based on an €80/tonne carbon price