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 1.14
Milk (kg) -18.00 -0.014 0.25
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index 3.63
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.81
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 14.23

* Based on an €80/tonne carbon price