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 0.36
Milk (kg) -36.00 -0.014 0.50
Fat (kg) 0.64 -0.375 -0.24
Prot (kg) -0.22 -0.441 0.10
Fertility Sub Index 4.24
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 1.20 1.117 1.34
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.16
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.16 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 12.83

* Based on an €80/tonne carbon price