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 7.01
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -8.55 -0.375 3.20
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index 7.32
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 1.00 1.117 1.12
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.68
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 19.55

* Based on an €80/tonne carbon price