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 3.46
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.77 -0.375 1.04
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index 4.98
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 2.04 1.117 2.28
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 4.32
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) -1.08 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 15.81

* Based on an €80/tonne carbon price