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 2.65
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -1.34 -0.375 0.50
Prot (kg) -1.25 -0.441 0.55
Fertility Sub Index 11.11
Calving Interval (days) -5.87 -1.459 8.56
Survival (%) 2.28 1.117 2.55
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 0.60
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.54

* Based on an €80/tonne carbon price