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 2.74
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -0.34 -0.375 0.13
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -5.10
Calving Interval (days) 2.74 -1.459 -4.00
Survival (%) -0.99 1.117 -1.11
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -1.06
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index -3.59
Live WT (kg) 11.70 -0.307 -3.59
Total Carbon Sub Index -7.33

* Based on an €80/tonne carbon price