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 -4.21
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 8.27 -0.375 -3.10
Prot (kg) 2.72 -0.441 -1.20
Fertility Sub Index -4.01
Calving Interval (days) 2.34 -1.459 -3.41
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index -1.65
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index -5.52
Live WT (kg) 18.00 -0.307 -5.52
Total Carbon Sub Index -15.28

* Based on an €80/tonne carbon price