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 13.50
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -12.93 -0.375 4.84
Prot (kg) -11.58 -0.441 5.11
Fertility Sub Index 7.30
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 1.22 1.117 1.36
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index -0.94
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 21.37

* Based on an €80/tonne carbon price