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 4.33
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 4.42
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 1.76 1.117 1.97
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 17.20

* Based on an €80/tonne carbon price