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 8.69
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -9.05 -0.375 3.39
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 2.35
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 1.12 1.117 1.25
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index -4.33
Carcass Weight (kg) 6.80 -0.528 -3.59
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index -3.31
Live WT (kg) 10.80 -0.307 -3.31
Total Carbon Sub Index 4.06

* Based on an €80/tonne carbon price