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 4.57
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -2.93 -0.375 1.10
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 1.33
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.00
Gestation Length (days) 0.00 -0.919 0.00
Beef Sub Index -2.93
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index -4.20
Live WT (kg) 13.70 -0.307 -4.20
Total Carbon Sub Index -1.22

* Based on an €80/tonne carbon price