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 18.88
Milk (kg) -454.00 -0.014 6.36
Fat (kg) -14.33 -0.375 5.37
Prot (kg) -16.22 -0.441 7.16
Fertility Sub Index 3.26
Calving Interval (days) -2.29 -1.459 3.34
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 2.82
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 2.76 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 31.08

* Based on an €80/tonne carbon price