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 10.03
Milk (kg) -356.00 -0.014 4.98
Fat (kg) -4.21 -0.375 1.58
Prot (kg) -7.85 -0.441 3.46
Fertility Sub Index 4.24
Calving Interval (days) -2.62 -1.459 3.82
Survival (%) 0.37 1.117 0.41
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 3.39
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -4.07 -0.432 1.76
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 22.21

* Based on an €80/tonne carbon price