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 2.80
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index 5.11
Calving Interval (days) -2.68 -1.459 3.91
Survival (%) 1.07 1.117 1.20
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.45
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -3.48 -0.432 1.50
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 17.23

* Based on an €80/tonne carbon price