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 3.08
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -2.41 -0.375 0.90
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 2.71
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.71
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -1.03 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 17.28

* Based on an €80/tonne carbon price