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 4.39
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 7.25
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index 0.24
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 14.90

* Based on an €80/tonne carbon price