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 4.92
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.31 -0.375 0.49
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index 2.30
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.62
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -0.70 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 15.54

* Based on an €80/tonne carbon price