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 7.69
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -6.45 -0.375 2.42
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 4.04
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.53 1.117 1.71
Calving Sub Index -1.75
Gestation Length (days) 1.90 -0.919 -1.75
Beef Sub Index -1.69
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 3.43 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 12.90

* Based on an €80/tonne carbon price