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 10.20
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -11.32 -0.375 4.24
Prot (kg) -8.42 -0.441 3.72
Fertility Sub Index 5.77
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.81 1.117 2.02
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -2.46
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 7.65 -0.432 -3.30
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 17.49

* Based on an €80/tonne carbon price