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 1.67
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 3.28 -0.375 -1.23
Prot (kg) -1.36 -0.441 0.60
Fertility Sub Index 1.54
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) 0.19 1.117 0.21
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.38
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -3.44 -0.432 1.49
Maintenance Sub Index Maint. Sub Index 6.71
Live WT (kg) -21.90 -0.307 6.71
Total Carbon Sub Index 17.14

* Based on an €80/tonne carbon price