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 3.82
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -4.26 -0.375 1.60
Prot (kg) -0.54 -0.441 0.24
Fertility Sub Index 2.28
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.47 1.117 0.53
Calving Sub Index 2.68
Gestation Length (days) -2.92 -0.919 2.68
Beef Sub Index -0.56
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 9.23

* Based on an €80/tonne carbon price