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 2.27
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -0.73 -0.375 0.27
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index 4.02
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 1.12 1.117 1.25
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index 1.81
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 13.98

* Based on an €80/tonne carbon price