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 2.89
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index -0.65
Calving Interval (days) 1.27 -1.459 -1.85
Survival (%) 1.08 1.117 1.21
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -1.93
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 8.63 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 7.17
Live WT (kg) -23.40 -0.307 7.17
Total Carbon Sub Index 7.15

* Based on an €80/tonne carbon price