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 1.06
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -0.04 -0.441 0.02
Fertility Sub Index -0.78
Calving Interval (days) 1.44 -1.459 -2.10
Survival (%) 1.18 1.117 1.32
Calving Sub Index -0.92
Gestation Length (days) 1.00 -0.919 -0.92
Beef Sub Index -1.38
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 6.26 -0.432 -2.70
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 3.22

* Based on an €80/tonne carbon price