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 6.37
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.63 -0.375 2.11
Prot (kg) -4.93 -0.441 2.18
Fertility Sub Index 6.88
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 1.46 1.117 1.63
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.57
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price