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 1.50
Milk (kg) -61.00 -0.014 0.85
Fat (kg) 1.81 -0.375 -0.68
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 2.03
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -0.13
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 4.58

* Based on an €80/tonne carbon price