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 3.79
Milk (kg) -228.00 -0.014 3.19
Fat (kg) 2.85 -0.375 -1.07
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 4.26
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -1.86
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.70 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 13.77

* Based on an €80/tonne carbon price