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 6.13
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -6.98 -0.375 2.61
Prot (kg) -3.65 -0.441 1.61
Fertility Sub Index 0.12
Calving Interval (days) 1.94 -1.459 -2.83
Survival (%) 2.64 1.117 2.95
Calving Sub Index -2.31
Gestation Length (days) 2.51 -0.919 -2.31
Beef Sub Index -3.46
Carcass Weight (kg) 8.50 -0.528 -4.48
Age of Slaughter (days) -2.37 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 4.31

* Based on an €80/tonne carbon price