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 4.33
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 0.13
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.17 1.117 0.19
Calving Sub Index 2.56
Gestation Length (days) -2.78 -0.919 2.56
Beef Sub Index -1.54
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.93 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index 4.48

* Based on an €80/tonne carbon price