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 3.69
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -2.62 -0.375 0.98
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 6.79
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 1.24
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 15.73

* Based on an €80/tonne carbon price