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 6.89
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -4.09 -0.375 1.53
Prot (kg) -6.90 -0.441 3.05
Fertility Sub Index 5.65
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 0.85 1.117 0.95
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 0.11
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 15.58

* Based on an €80/tonne carbon price