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 3.34
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -2.28 -0.375 0.85
Prot (kg) -1.79 -0.441 0.79
Fertility Sub Index -1.18
Calving Interval (days) 1.39 -1.459 -2.03
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index 0.58
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.79 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 6.85

* Based on an €80/tonne carbon price