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 -4.89
Milk (kg) 80.00 -0.014 -1.12
Fat (kg) 6.66 -0.375 -2.49
Prot (kg) 2.89 -0.441 -1.28
Fertility Sub Index -6.67
Calving Interval (days) 3.67 -1.459 -5.35
Survival (%) -1.18 1.117 -1.32
Calving Sub Index 1.61
Gestation Length (days) -1.75 -0.919 1.61
Beef Sub Index -2.00
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index -1.69
Live WT (kg) 5.50 -0.307 -1.69
Total Carbon Sub Index -13.65

* Based on an €80/tonne carbon price