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 2.36
Milk (kg) -57.00 -0.014 0.80
Fat (kg) 2.42 -0.375 -0.91
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 6.08
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 1.11 1.117 1.24
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index -2.29
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 3.95 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index -1.93
Live WT (kg) 6.30 -0.307 -1.93
Total Carbon Sub Index 5.35

* Based on an €80/tonne carbon price