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 16.16
Milk (kg) -378.00 -0.014 5.29
Fat (kg) -13.95 -0.375 5.23
Prot (kg) -12.78 -0.441 5.64
Fertility Sub Index 2.86
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -1.69
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 17.08

* Based on an €80/tonne carbon price