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 8.08
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -8.97 -0.375 3.36
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index 2.79
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 1.47 1.117 1.64
Calving Sub Index -0.94
Gestation Length (days) 1.02 -0.919 -0.94
Beef Sub Index -2.45
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 9.23

* Based on an €80/tonne carbon price