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 2.54
Milk (kg) -123.00 -0.014 1.72
Fat (kg) 0.94 -0.375 -0.35
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index 3.69
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.33
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 14.17

* Based on an €80/tonne carbon price