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 5.73
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -10.24 -0.375 3.84
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 5.93
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 2.64
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 20.27

* Based on an €80/tonne carbon price