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 6.41
Milk (kg) -307.00 -0.014 4.30
Fat (kg) 3.48 -0.375 -1.30
Prot (kg) -7.74 -0.441 3.42
Fertility Sub Index 8.75
Calving Interval (days) -5.36 -1.459 7.82
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 1.92
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.79 -0.432 0.34
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.87

* Based on an €80/tonne carbon price