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 13.01
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -15.57 -0.375 5.83
Prot (kg) -9.20 -0.441 4.06
Fertility Sub Index 4.28
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 1.18 1.117 1.32
Calving Sub Index -1.39
Gestation Length (days) 1.51 -0.919 -1.39
Beef Sub Index -0.76
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 5.19 -0.432 -2.24
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 18.02

* Based on an €80/tonne carbon price