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 12.04
Milk (kg) -234.00 -0.014 3.28
Fat (kg) -11.21 -0.375 4.20
Prot (kg) -10.34 -0.441 4.56
Fertility Sub Index 4.32
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 3.59
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -3.68 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 22.31

* Based on an €80/tonne carbon price