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 2.56
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -6.21 -0.375 2.33
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index -3.03
Calving Interval (days) 1.91 -1.459 -2.79
Survival (%) -0.22 1.117 -0.25
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.41
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -5.69

* Based on an €80/tonne carbon price