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 -2.60
Milk (kg) 49.00 -0.014 -0.69
Fat (kg) 2.49 -0.375 -0.93
Prot (kg) 2.23 -0.441 -0.98
Fertility Sub Index -6.06
Calving Interval (days) 3.67 -1.459 -5.35
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index -0.61
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 5.81 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index -6.79

* Based on an €80/tonne carbon price