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 1.70
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -1.45 -0.441 0.64
Fertility Sub Index 4.52
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 1.72 1.117 1.92
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.62
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.28 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 7.39
Live WT (kg) -24.10 -0.307 7.39
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price