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 2.59
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.39 -0.375 0.15
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index -1.21
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) -1.19 1.117 -1.33
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 3.00
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 4.93

* Based on an €80/tonne carbon price