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 0.72
Milk (kg) -55.00 -0.014 0.77
Fat (kg) 0.75 -0.375 -0.28
Prot (kg) -0.53 -0.441 0.23
Fertility Sub Index 6.73
Calving Interval (days) -3.24 -1.459 4.73
Survival (%) 1.79 1.117 2.00
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.36
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 17.52

* Based on an €80/tonne carbon price