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 6.98
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -6.41 -0.441 2.83
Fertility Sub Index -2.14
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.52
Carcass Weight (kg) -3.45 -0.528 1.82
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 7.41

* Based on an €80/tonne carbon price