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 4.41
Milk (kg) -23.00 -0.014 0.32
Fat (kg) 1.07 -0.375 -0.40
Prot (kg) -10.16 -0.441 4.48
Fertility Sub Index 3.58
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 1.73
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 11.24

* Based on an €80/tonne carbon price