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 1.25
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.02 -0.375 0.38
Prot (kg) 0.01 -0.441 0.00
Fertility Sub Index 4.50
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.78
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 14.84

* Based on an €80/tonne carbon price