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 9.19
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -10.71 -0.375 4.01
Prot (kg) -6.08 -0.441 2.68
Fertility Sub Index 0.76
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -3.03
Gestation Length (days) 3.30 -0.919 -3.03
Beef Sub Index -0.77
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) -1.40 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price