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 3.41
Milk (kg) 14.00 -0.014 -0.20
Fat (kg) -5.22 -0.375 1.96
Prot (kg) -3.74 -0.441 1.65
Fertility Sub Index -2.49
Calving Interval (days) 1.72 -1.459 -2.51
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -3.44
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 6.37 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index -2.48
Live WT (kg) 8.10 -0.307 -2.48
Total Carbon Sub Index -5.20

* Based on an €80/tonne carbon price