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 1.83
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -2.91 -0.375 1.09
Prot (kg) -1.93 -0.441 0.85
Fertility Sub Index 7.95
Calving Interval (days) -4.72 -1.459 6.89
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 1.65
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 15.36

* Based on an €80/tonne carbon price