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 0.81
Milk (kg) -160.00 -0.014 2.24
Fat (kg) 4.32 -0.375 -1.62
Prot (kg) -0.42 -0.441 0.19
Fertility Sub Index 7.02
Calving Interval (days) -3.30 -1.459 4.81
Survival (%) 1.97 1.117 2.20
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.10
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 18.64

* Based on an €80/tonne carbon price