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 1.54
Milk (kg) -159.00 -0.014 2.23
Fat (kg) 3.28 -0.375 -1.23
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 3.21
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 0.73 1.117 0.82
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.68
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) -3.28 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 19.29

* Based on an €80/tonne carbon price