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 7.53
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -10.70 -0.375 4.01
Prot (kg) -5.42 -0.441 2.39
Fertility Sub Index 2.21
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 1.46 1.117 1.63
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index -2.35
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 8.59

* Based on an €80/tonne carbon price