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 4.74
Milk (kg) 32.00 -0.014 -0.45
Fat (kg) -5.87 -0.375 2.20
Prot (kg) -6.78 -0.441 2.99
Fertility Sub Index 1.15
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 5.28
Carcass Weight (kg) -8.20 -0.528 4.33
Age of Slaughter (days) -2.21 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 14.66

* Based on an €80/tonne carbon price