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 0.10
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -0.08 -0.375 0.03
Prot (kg) 2.69 -0.441 -1.19
Fertility Sub Index 3.27
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index -1.93
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 3.99 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 5.44

* Based on an €80/tonne carbon price