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 7.03
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -9.50 -0.441 4.19
Fertility Sub Index 4.55
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index -1.20
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 9.51

* Based on an €80/tonne carbon price