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 36.31
Milk (kg) -978.00 -0.014 13.69
Fat (kg) -27.02 -0.375 10.12
Prot (kg) -28.32 -0.441 12.50
Fertility Sub Index 6.22
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 2.04 1.117 2.28
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -2.26
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.66 -0.432 -3.74
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 45.07

* Based on an €80/tonne carbon price