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 15.91
Milk (kg) -351.00 -0.014 4.91
Fat (kg) -13.40 -0.375 5.02
Prot (kg) -13.55 -0.441 5.98
Fertility Sub Index 6.03
Calving Interval (days) -3.54 -1.459 5.17
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.16
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 25.26

* Based on an €80/tonne carbon price