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 6.54
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index 4.22
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 0.75 1.117 0.84
Calving Sub Index 1.16
Gestation Length (days) -1.26 -0.919 1.16
Beef Sub Index 2.34
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 15.80

* Based on an €80/tonne carbon price