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 4.02
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 4.53
Calving Interval (days) -2.88 -1.459 4.20
Survival (%) 0.29 1.117 0.32
Calving Sub Index 1.33
Gestation Length (days) -1.45 -0.919 1.33
Beef Sub Index -1.03
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) -1.28 -0.432 0.55
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price