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 6.60
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.39 -0.375 2.02
Prot (kg) -5.33 -0.441 2.35
Fertility Sub Index 6.87
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.19
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 17.59

* Based on an €80/tonne carbon price