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 6.49
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index 7.64
Calving Interval (days) -4.78 -1.459 6.97
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 2.79
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) -0.85 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 20.65

* Based on an €80/tonne carbon price