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 1.02
Milk (kg) -44.00 -0.014 0.62
Fat (kg) 0.06 -0.375 -0.02
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 3.72
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 1.54 1.117 1.72
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.44
Carcass Weight (kg) -7.70 -0.528 4.06
Age of Slaughter (days) 8.38 -0.432 -3.62
Maintenance Sub Index Maint. Sub Index 9.78
Live WT (kg) -31.90 -0.307 9.78
Total Carbon Sub Index 15.68

* Based on an €80/tonne carbon price