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 8.20
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -7.30 -0.441 3.22
Fertility Sub Index 1.91
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.38 1.117 0.42
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.24
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 18.27

* Based on an €80/tonne carbon price