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 6.68
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.69 -0.375 2.13
Prot (kg) -5.22 -0.441 2.30
Fertility Sub Index 8.42
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 1.54 1.117 1.72
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 0.07
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 16.92

* Based on an €80/tonne carbon price