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 4.83
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 2.04
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.17
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 7.46

* Based on an €80/tonne carbon price