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 5.55
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.96 -0.375 2.61
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index -0.75
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 0.97 1.117 1.08
Calving Sub Index -1.08
Gestation Length (days) 1.17 -0.919 -1.08
Beef Sub Index -2.93
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 4.22 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 2.21

* Based on an €80/tonne carbon price