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 3.91
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -5.39 -0.375 2.02
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 4.25
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 0.87 1.117 0.97
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -2.01
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 7.18

* Based on an €80/tonne carbon price