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 1.32
Milk (kg) -75.00 -0.014 1.05
Fat (kg) 4.93 -0.375 -1.85
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 5.22
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 3.30 1.117 3.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.53
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 11.92

* Based on an €80/tonne carbon price