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 12.94
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -14.82 -0.375 5.55
Prot (kg) -11.93 -0.441 5.27
Fertility Sub Index 5.30
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 1.54
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price