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 2.00
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -1.66 -0.441 0.73
Fertility Sub Index 2.56
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.45 1.117 0.50
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.04
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 16.35

* Based on an €80/tonne carbon price