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 12.42
Milk (kg) -340.00 -0.014 4.76
Fat (kg) -12.44 -0.375 4.66
Prot (kg) -6.80 -0.441 3.00
Fertility Sub Index 6.83
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 0.93 1.117 1.04
Calving Sub Index 1.51
Gestation Length (days) -1.64 -0.919 1.51
Beef Sub Index -2.10
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 17.71

* Based on an €80/tonne carbon price