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 4.06
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -2.26 -0.375 0.85
Prot (kg) -5.15 -0.441 2.27
Fertility Sub Index 3.91
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 1.04
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 12.83

* Based on an €80/tonne carbon price