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 1.72
Milk (kg) 63.00 -0.014 -0.88
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 6.94
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 0.37 1.117 0.41
Calving Sub Index -1.22
Gestation Length (days) 1.33 -0.919 -1.22
Beef Sub Index -2.03
Carcass Weight (kg) 6.60 -0.528 -3.48
Age of Slaughter (days) -3.36 -0.432 1.45
Maintenance Sub Index Maint. Sub Index -1.81
Live WT (kg) 5.90 -0.307 -1.81
Total Carbon Sub Index 3.59

* Based on an €80/tonne carbon price