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 34.95
Milk (kg) -641.00 -0.014 8.97
Fat (kg) -31.46 -0.375 11.78
Prot (kg) -32.16 -0.441 14.19
Fertility Sub Index 6.05
Calving Interval (days) -3.58 -1.459 5.22
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 0.04
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 44.43

* Based on an €80/tonne carbon price