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 5.02
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -8.36 -0.375 3.13
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 3.31
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.90
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.68 -0.432 1.16
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 21.13

* Based on an €80/tonne carbon price