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 3.64
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -2.40 -0.375 0.90
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index 7.03
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.89
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 21.33

* Based on an €80/tonne carbon price