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 2.03
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -0.42 -0.375 0.16
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 5.35
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.41 1.117 1.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 9.12

* Based on an €80/tonne carbon price