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 7.09
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -7.25 -0.441 3.20
Fertility Sub Index 0.81
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 0.69
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 12.29

* Based on an €80/tonne carbon price