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 11.66
Milk (kg) -251.00 -0.014 3.51
Fat (kg) -12.47 -0.375 4.67
Prot (kg) -7.88 -0.441 3.48
Fertility Sub Index 5.15
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) 1.31 1.117 1.46
Calving Sub Index -1.67
Gestation Length (days) 1.82 -0.919 -1.67
Beef Sub Index -2.68
Carcass Weight (kg) 4.20 -0.528 -2.22
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 12.21

* Based on an €80/tonne carbon price