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 2.23
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 0.95
Calving Interval (days) -0.63 -1.459 0.92
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.17
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 4.44

* Based on an €80/tonne carbon price