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 8.90
Milk (kg) -316.00 -0.014 4.42
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -7.29 -0.441 3.22
Fertility Sub Index 5.54
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 2.16
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -0.24 -0.432 0.10
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 21.56

* Based on an €80/tonne carbon price