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 9.71
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -11.32 -0.375 4.24
Prot (kg) -7.48 -0.441 3.30
Fertility Sub Index 2.30
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.60 1.117 0.67
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -2.82
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price