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 6.92
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -8.22 -0.375 3.08
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 4.93
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.00 1.117 1.12
Calving Sub Index -1.79
Gestation Length (days) 1.95 -0.919 -1.79
Beef Sub Index -2.24
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 10.91

* Based on an €80/tonne carbon price