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 0.42
Milk (kg) -39.00 -0.014 0.55
Fat (kg) 3.87 -0.375 -1.45
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 0.87
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.10 1.117 0.11
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index 0.53
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price