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 6.02
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -6.75 -0.375 2.53
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index -0.76
Calving Interval (days) 1.34 -1.459 -1.96
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index -0.94
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 5.85 -0.432 -2.53
Maintenance Sub Index Maint. Sub Index 5.18
Live WT (kg) -16.90 -0.307 5.18
Total Carbon Sub Index 8.72

* Based on an €80/tonne carbon price