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 6.35
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -7.10 -0.441 3.13
Fertility Sub Index -0.26
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) 0.34 1.117 0.38
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index -0.21
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index 5.15

* Based on an €80/tonne carbon price