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 10.60
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -8.54 -0.441 3.77
Fertility Sub Index 7.26
Calving Interval (days) -4.85 -1.459 7.08
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 1.08
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 23.35

* Based on an €80/tonne carbon price