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 7.40
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 2.31
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.55 1.117 0.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.01
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.64 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 20.27

* Based on an €80/tonne carbon price