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 4.17
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -6.61 -0.375 2.48
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 3.97
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 1.83 1.117 2.04
Calving Sub Index 1.90
Gestation Length (days) -2.07 -0.919 1.90
Beef Sub Index -0.35
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) -1.50 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 11.80

* Based on an €80/tonne carbon price