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 6.00
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -7.11 -0.375 2.66
Prot (kg) -2.77 -0.441 1.22
Fertility Sub Index 6.52
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 2.22 1.117 2.48
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.03
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 22.96

* Based on an €80/tonne carbon price