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 0.56
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 2.45 -0.375 -0.92
Prot (kg) -1.03 -0.441 0.45
Fertility Sub Index 3.59
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 3.90
Carcass Weight (kg) -14.30 -0.528 7.54
Age of Slaughter (days) 8.44 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 13.73
Live WT (kg) -44.80 -0.307 13.73
Total Carbon Sub Index 22.55

* Based on an €80/tonne carbon price