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 8.20
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -9.68 -0.375 3.63
Prot (kg) -5.77 -0.441 2.55
Fertility Sub Index 1.50
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) 1.50 1.117 1.68
Calving Sub Index -0.74
Gestation Length (days) 0.80 -0.919 -0.74
Beef Sub Index -4.21
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 4.86 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 3.35

* Based on an €80/tonne carbon price