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 4.74
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 6.08
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 1.05 1.117 1.17
Calving Sub Index 3.30
Gestation Length (days) -3.59 -0.919 3.30
Beef Sub Index 2.25
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 18.21

* Based on an €80/tonne carbon price