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 2.26
Milk (kg) -121.00 -0.014 1.69
Fat (kg) 1.66 -0.375 -0.62
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -1.89
Calving Interval (days) 1.97 -1.459 -2.87
Survival (%) 0.88 1.117 0.98
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index -1.23
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 5.65 -0.432 -2.44
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 2.39

* Based on an €80/tonne carbon price