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 4.37
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -2.78 -0.441 1.23
Fertility Sub Index 1.02
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index -0.41
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 5.20

* Based on an €80/tonne carbon price