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 7.28
Milk (kg) -219.00 -0.014 3.07
Fat (kg) -5.93 -0.375 2.22
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 10.67
Calving Interval (days) -6.86 -1.459 10.01
Survival (%) 0.59 1.117 0.66
Calving Sub Index 2.51
Gestation Length (days) -2.73 -0.919 2.51
Beef Sub Index 0.96
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -4.31 -0.432 1.86
Maintenance Sub Index Maint. Sub Index -0.89
Live WT (kg) 2.90 -0.307 -0.89
Total Carbon Sub Index 20.54

* Based on an €80/tonne carbon price