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 4.52
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -5.07 -0.375 1.90
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 4.69
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 0.76
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 12.08

* Based on an €80/tonne carbon price