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 6.20
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -7.24 -0.375 2.71
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 0.56
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) 0.91 1.117 1.02
Calving Sub Index -1.89
Gestation Length (days) 2.06 -0.919 -1.89
Beef Sub Index -0.16
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) -1.22 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 7.83

* Based on an €80/tonne carbon price