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 -6.70
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 11.23 -0.375 -4.21
Prot (kg) 5.78 -0.441 -2.55
Fertility Sub Index 6.72
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 1.84 1.117 2.06
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.12
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 10.19

* Based on an €80/tonne carbon price