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 6.16
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -5.63 -0.375 2.11
Prot (kg) -5.30 -0.441 2.34
Fertility Sub Index 1.24
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) -1.19 1.117 -1.33
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -0.41
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -1.25 -0.432 0.54
Maintenance Sub Index Maint. Sub Index -3.95
Live WT (kg) 12.90 -0.307 -3.95
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price