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 17.95
Milk (kg) -504.00 -0.014 7.06
Fat (kg) -13.44 -0.375 5.03
Prot (kg) -13.28 -0.441 5.86
Fertility Sub Index 8.59
Calving Interval (days) -5.86 -1.459 8.55
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 3.11
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -0.72 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 33.13

* Based on an €80/tonne carbon price