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 5.32
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -5.28 -0.441 2.33
Fertility Sub Index 3.95
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.53
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 9.22

* Based on an €80/tonne carbon price