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 1.43
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -1.60 -0.375 0.60
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index -0.34
Calving Interval (days) 1.19 -1.459 -1.74
Survival (%) 1.25 1.117 1.40
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -1.86
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 7.23 -0.432 -3.12
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 4.54

* Based on an €80/tonne carbon price