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 6.31
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -4.38 -0.375 1.64
Prot (kg) -4.64 -0.441 2.05
Fertility Sub Index 0.30
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) 0.92 1.117 1.03
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 0.65
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index -2.08
Live WT (kg) 6.80 -0.307 -2.08
Total Carbon Sub Index 4.72

* Based on an €80/tonne carbon price