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 3.40
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 4.26
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 1.67 1.117 1.87
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -1.05
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 8.90 -0.432 -3.84
Maintenance Sub Index Maint. Sub Index 8.31
Live WT (kg) -27.10 -0.307 8.31
Total Carbon Sub Index 15.58

* Based on an €80/tonne carbon price