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 3.91
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 6.13
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 1.67 1.117 1.87
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.73
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.54 -0.432 1.10
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 21.86

* Based on an €80/tonne carbon price