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 9.76
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -11.53 -0.375 4.32
Prot (kg) -7.06 -0.441 3.12
Fertility Sub Index -0.40
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.97
Gestation Length (days) 2.14 -0.919 -1.97
Beef Sub Index -2.01
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) -0.11 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 5.97

* Based on an €80/tonne carbon price