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 6.21
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.32 -0.375 1.24
Prot (kg) -9.18 -0.441 4.05
Fertility Sub Index 2.64
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 0.00
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index 9.26

* Based on an €80/tonne carbon price