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 8.42
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -10.87 -0.375 4.07
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index -0.47
Calving Interval (days) 0.76 -1.459 -1.11
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -1.79
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price