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) -27.00 -0.014 0.38
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index -4.71
Calving Interval (days) 2.23 -1.459 -3.25
Survival (%) -1.30 1.117 -1.45
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -1.35
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index -2.75

* Based on an €80/tonne carbon price