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 13.37
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -16.04 -0.375 6.01
Prot (kg) -10.28 -0.441 4.54
Fertility Sub Index 8.62
Calving Interval (days) -5.25 -1.459 7.66
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 0.39
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 27.26

* Based on an €80/tonne carbon price