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 7.66
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -9.04 -0.375 3.39
Prot (kg) -8.36 -0.441 3.69
Fertility Sub Index -0.21
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) -0.89 1.117 -0.99
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 1.73
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 13.24

* Based on an €80/tonne carbon price