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 8.27
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -8.91 -0.441 3.93
Fertility Sub Index 5.07
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) -0.84 1.117 -0.94
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 2.05
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.33 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 17.55

* Based on an €80/tonne carbon price