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 1.63
Milk (kg) -98.00 -0.014 1.37
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 2.71
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.83
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 14.31

* Based on an €80/tonne carbon price