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 7.54
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -8.98 -0.375 3.36
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index 3.44
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -3.88
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index -0.77
Live WT (kg) 2.50 -0.307 -0.77
Total Carbon Sub Index 5.92

* Based on an €80/tonne carbon price