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 6.81
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -8.35 -0.375 3.13
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 3.76
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index -4.77
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 5.23

* Based on an €80/tonne carbon price