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 4.78
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 4.12
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index -0.87
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 9.20

* Based on an €80/tonne carbon price