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 14.10
Milk (kg) -471.00 -0.014 6.59
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -11.17 -0.441 4.93
Fertility Sub Index 6.01
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.01
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 23.36

* Based on an €80/tonne carbon price