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 10.48
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -6.91 -0.375 2.59
Prot (kg) -10.90 -0.441 4.81
Fertility Sub Index 4.55
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 3.63
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 21.32

* Based on an €80/tonne carbon price