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 2.93
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -5.85 -0.375 2.19
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index -3.02
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -1.24 1.117 -1.39
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -0.70
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -2.33
Live WT (kg) 7.60 -0.307 -2.33
Total Carbon Sub Index -2.37

* Based on an €80/tonne carbon price