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 6.57
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 6.78
Calving Interval (days) -4.38 -1.459 6.39
Survival (%) 0.35 1.117 0.39
Calving Sub Index 1.75
Gestation Length (days) -1.90 -0.919 1.75
Beef Sub Index 1.93
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 20.78

* Based on an €80/tonne carbon price