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 0.19
Milk (kg) -11.00 -0.014 0.15
Fat (kg) 0.11 -0.375 -0.04
Prot (kg) -0.17 -0.441 0.08
Fertility Sub Index 2.89
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.25
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 14.30

* Based on an €80/tonne carbon price