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 0.77
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 4.59 -0.375 -1.72
Prot (kg) -3.32 -0.441 1.47
Fertility Sub Index -1.93
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -0.12 1.117 -0.13
Calving Sub Index 1.14
Gestation Length (days) -1.24 -0.919 1.14
Beef Sub Index -1.41
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -0.98
Live WT (kg) 3.20 -0.307 -0.98
Total Carbon Sub Index -2.41

* Based on an €80/tonne carbon price