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 3.85
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -2.41 -0.441 1.06
Fertility Sub Index 1.31
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) 1.33 1.117 1.49
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.77
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 14.02

* Based on an €80/tonne carbon price