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 4.05
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index 5.20
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index 0.48
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 11.61

* Based on an €80/tonne carbon price