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 5.60
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 5.60
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 2.23 1.117 2.49
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.63
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 17.53

* Based on an €80/tonne carbon price