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 4.10
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 0.18
Calving Interval (days) 0.39 -1.459 -0.57
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.88
Gestation Length (days) 0.96 -0.919 -0.88
Beef Sub Index -2.13
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price