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 7.03
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -11.50 -0.375 4.31
Prot (kg) -5.46 -0.441 2.41
Fertility Sub Index 4.11
Calving Interval (days) -2.44 -1.459 3.56
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index 1.99
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.19

* Based on an €80/tonne carbon price