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 2.69
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 0.45 -0.375 -0.17
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index -1.59
Calving Interval (days) 0.64 -1.459 -0.93
Survival (%) -0.59 1.117 -0.66
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 1.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 4.01

* Based on an €80/tonne carbon price