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 5.33
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index -0.10
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -1.14
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index 3.16

* Based on an €80/tonne carbon price