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 6.98
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 4.16
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 4.96
Carcass Weight (kg) -8.20 -0.528 4.33
Age of Slaughter (days) -1.48 -0.432 0.64
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price