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 3.53
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -3.53 -0.375 1.32
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 5.57
Calving Interval (days) -2.69 -1.459 3.92
Survival (%) 1.47 1.117 1.64
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.12
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 17.38

* Based on an €80/tonne carbon price