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 1.21
Milk (kg) 75.00 -0.014 -1.05
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index -3.91
Calving Interval (days) 3.23 -1.459 -4.71
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index 1.40
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 2.74

* Based on an €80/tonne carbon price