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 1.75
Milk (kg) -136.00 -0.014 1.90
Fat (kg) 1.59 -0.375 -0.60
Prot (kg) -1.00 -0.441 0.44
Fertility Sub Index 3.87
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.45
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 9.03

* Based on an €80/tonne carbon price