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 4.35
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -5.29 -0.375 1.98
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 5.48
Calving Interval (days) -2.46 -1.459 3.59
Survival (%) 1.69 1.117 1.89
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -5.21
Carcass Weight (kg) 8.80 -0.528 -4.64
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 4.29

* Based on an €80/tonne carbon price