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 2.40
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -1.27 -0.441 0.56
Fertility Sub Index 4.25
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index -0.02
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -0.92 -0.432 0.40
Maintenance Sub Index Maint. Sub Index -0.64
Live WT (kg) 2.10 -0.307 -0.64
Total Carbon Sub Index 6.90

* Based on an €80/tonne carbon price