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 2.57
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index -1.17
Calving Interval (days) 0.95 -1.459 -1.39
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 1.49
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 1.98

* Based on an €80/tonne carbon price